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79-588: The Achieva is a compact car produced by the General Motors' Oldsmobile division from 1991 until 1998 and was available as a sedan or coupe . It was offered in four different trim levels during its production run: S, SC, SL, and SCX. Available engines included different versions of the Oldsmobile-developed 2.3 L Quad 4 engine : the base single-cam L40 "Quad OHC", the DOHC LD2, the high-output LG0, and

158-400: A secondary imbalance . This is caused by the acceleration/deceleration of the pistons during the top half of the crankshaft rotation being greater than that of the pistons in the bottom half of the crankshaft rotation (because the connecting rods are not infinitely long). As a result, two pistons are always accelerating faster in one direction, while the other two are accelerating more slowly in

237-514: A 15% stake in AeroVironment . In 1989, GM acquired half of Saab Automobile 's car operations for $ 600 million. In August 1990, Robert Stempel became CEO of the company, succeeding Roger Smith . GM cut output significantly and suffered losses that year due to the early 1990s recession . In 1990, GM debuted the General Motors EV1 (Impact) concept, a battery electric vehicle , at

316-451: A 5 horsepower (3.7 kW) reduction in power to comply with emission requirements, lowering the output of each engine. The SCX offered 185 horsepower (138 kW) for its final year, primarily due to exhaust port changes to the cylinder head. Other changes included a revised front engine mount and changes to the Quad 4 block casting to improve NVH characteristics. 1994: A driver-side airbag

395-521: A British producer of high-performance sports cars . In 1987, in conjunction with AeroVironment , GM built the Sunraycer , which won the inaugural World Solar Challenge and was a showcase of advanced technology. Much of the technology from Sunraycer found its way into the Impact prototype electric vehicle (also built by Aerovironment) and was the predecessor to the General Motors EV1 . In 1988, GM acquired

474-504: A breakthrough in heat treating still in use today as ASTM A255. GM established Detroit Diesel the next year. In 1939, the company founded Motors Insurance Corporation and entered the vehicle insurance market. The same year, GM introduced the Hydramatic , the first affordable and successful automatic transmission , for the 1940 Oldsmobile. During World War II , GM produced vast quantities of armaments, vehicles, and aircraft for

553-472: A continuation of its diversification plans, GMAC formed GMAC Mortgage and acquired Colonial Mortgage as well as the servicing arm of Norwest Mortgage in 1985. This acquisition included an $ 11 billion mortgage portfolio. The same year, GM acquired the Hughes Aircraft Company for $ 5 billion in cash and stock and merged it into Delco Electronics . The following year, GM acquired 59.7% of Lotus Cars ,

632-900: A controlling interest in North American Aviation and merged it with the General Aviation Manufacturing Corporation . The GM labor force participated in the formation of the United Auto Workers labor union in 1935, and in 1936 the UAW organized the Flint Sit-Down Strike , which initially idled two key plants in Flint, Michigan, and later spread to 6 other plants including those in Janesville, Wisconsin and Fort Wayne, Indiana . In Flint, police attempted to enter

711-837: A displacement of 1.3–2.5 L (79–153 cu in), but larger engines have been used in the past, for example the 1927–1931 Bentley 4½ Litre . Diesel engines have been produced in larger displacements, such as a 3.2 L turbocharged Mitsubishi engine (used the Pajero/Shogun/Montero SUV) and a 3.0 L Toyota engine. European and Asian trucks with a gross vehicle weight rating between 7.5 and 18 tonnes typically use inline four-cylinder diesel engines with displacements around 5 litres. Larger displacements are found in locomotive, marine and stationary engines. Displacement can also be very small, as found in kei cars sold in Japan. Several of these engines had four cylinders at

790-592: A displacement of 1.5–2.5 L (92–153 cu in). The smallest automotive straight-four engine was used in the 1963–1967 Honda T360 kei truck and has a displacement of 356 cc (21.7 cu in), while the largest mass-produced straight-four car engine is the 1999–2019 Mitsubishi 4M41 diesel engine which was used in the Mitsubishi Pajero and has a displacement of 3.2 L (195 cu in). Significant straight-four car engines include: Many early racing cars used straight-four engines, however

869-529: A program to develop a lightweight two-stroke diesel engine for possible usage in automobiles. Soon after, GM acquired Electro-Motive Company and the Winton Engine Co. , and in 1941, it expanded EMC's realm to locomotive engine manufacturing. In 1932, GM acquired Packard Electric (not to be confused with the Packard car company, which merged with Studebaker years later). The following year, GM acquired

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948-495: A special engine computer calibration for the ignition and fuel systems that also raised the engine's redline to 7200 rpm. This engine was complemented by a unique version of the Getrag -licensed, GM-Muncie built Getrag 282 five-speed transmission with special second and fifth gears as well as a different final drive ratio for quicker acceleration and better gearing to keep the engine in its power band. The production numbers for

1027-422: A strategy by CEO Roger Smith to derive at least 10% of its annual worldwide revenue from non-automotive sources. GM also intended to have EDS handle its bookkeeping, help computerize factories, and integrate GM's computer systems. The transaction made Ross Perot the largest shareholder of GM; however, disagreements with Roger Smith led the company to buy all shares held by Ross Perot for $ 750 million in 1986. In

1106-401: A time when regulations dictated a maximum displacement of 550 cc; the maximum size is currently at 660 cc. Straight-four engines with the preferred crankshaft configuration have perfect primary balance . This is because the pistons are moving in pairs, and one pair of pistons is always moving up at the same time as the other pair is moving down. However, straight-four engines have

1185-509: Is particularly beneficial in the higher rpm range, and " big-bang firing order " theory says the irregular delivery of torque to the rear tire makes sliding in the corners at racing speeds easier to control. Inline-four engines are also used in MotoGP by the Suzuki (since 2015 ) and Yamaha (since 2002 ) teams. In 2010 , when the four-stroke Moto2 class was introduced, the engines for the class were

1264-606: The Fortune 500 and 50th on the Fortune Global 500 . In 2023, the company was ranked 70th in the Forbes Global 2000 . In 2021, GM announced its intent to end production of vehicles using internal combustion engines by 2035, as part of its plan to achieve carbon neutrality by 2040. By 1900, William C. Durant 's Durant-Dort Carriage Company of Flint, Michigan , had become the largest manufacturer of horse-drawn vehicles in

1343-463: The 2-mode hybrid system in the Chevrolet Tahoe , GMC Yukon , Cadillac Escalade , and pickup trucks . Straight-4 A straight-four engine (also referred to as an inline-four engine ) is a four-cylinder piston engine where cylinders are arranged in a line along a common crankshaft. The majority of automotive four-cylinder engines use a straight-four layout (with the exceptions of

1422-813: The Allies of World War II . In 1940, GM's William S. Knudsen served as head of U.S. wartime production for President Franklin Roosevelt , and by 1942, all of GM's production was to support the war. GM's Vauxhall Motors manufactured the Churchill tank series for the Allies, instrumental in the North African campaign . However, its Opel division, based in Germany, supplied the Wehrmacht with vehicles. Politically, Sloan, as head of GM at

1501-515: The Cadillac V8-6-4 variable-cylinder engines. GM sold Frigidaire in 1979. Although Frigidaire had between $ 450 million and $ 500 million in annual revenues, it was losing money. Robert Lee of GM invented the neodymium magnet , which was fabricated by rapid solidification, in 1984. This magnet is commonly used in products like a computer hard disk. The same year, GM acquired Electronic Data Systems for $ 2.5 billion from Ross Perot as part of

1580-505: The General Motors Acceptance Corporation (GMAC), which provides financing to automotive customers, was formed. In 1920, du Pont orchestrated the removal of Durant once again and replaced him with Alfred P. Sloan . At a time when GM was competing heavily with Ford Motor Company , Sloan established annual model changes, making previous years' models "dated" and created a market for used cars . He also implemented

1659-583: The IMSA Firehawk and SCCA GRAND-AM World Challenge . This included the move to smaller diameter yet wider V-rated P215/60VR14 BF Goodrich Comp T/A tires on 14x6.5 inch cast aluminum wheels (compared to the SC's 205/55R16 on 16x6 inch wheels) and different suspension components on the SCX-specific FX3 RPO coded suspension. The suspension changes included larger diameter direct-acting front sway bar over

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1738-664: The LA Auto Show . It was the first car with zero emissions marketed in the US in over three decades. The Impact was produced as the EV1 for the 1996 model year and was available only via lease from certain dealers in California and Arizona. In 1999–2002, GM ceased production of the vehicles and started to not renew the leases, disappointing many people, allegedly because the program would not be profitable and would cannibalize its existing business. All of

1817-465: The Maserati 4CL and various English Racing Automobiles (ERA) models. These were resurrected after the war, and formed the foundation of what was later to become Formula One , although the straight-eight supercharged Alfettas would dominate the early years of F1. Another engine that played an important role in racing history is the straight-four Ferrari engine designed by Aurelio Lampredi . This engine

1896-545: The Rapid Motor Vehicle Company of Pontiac, Michigan , and the Reliance Motor Car Company of Detroit, Michigan (predecessors of GMC ) in 1909. Durant, with the board's approval, also tried acquiring Ford Motor Company , but needed an additional $ 2 million. Durant over- leveraged GM in making acquisitions, and was removed by the board of directors in 1910 at the order of the bankers who backed

1975-724: The Yellow Cab Manufacturing Company the same year, and its president, John D. Hertz , joined the board of directors of GM; it acquired the remainder of the company in 1943. In 1926, the company introduced the Pontiac brand and established the General Motors Group Insurance Program to provide life insurance to its employees. The following year, after the success of the 1927 model of the Cadillac LaSalle designed by Harley Earl , Sloan created

2054-472: The corporate spin-off of Electronic Data Systems . In 1997, GM sold the military businesses of Hughes Aircraft Company to Raytheon Company for $ 9.5 billion in stock and the assumption of debt. In February 2000, Rick Wagoner was named CEO, succeeding Smith. The next month, GM gave 5.1% of its common stock, worth $ 2.4 billion, to acquire a 20% share of Fiat . In December 2000, GM announced that it would begin phasing out Oldsmobile . The brand

2133-437: The flat-four engines produced by Subaru and Porsche) and the layout is also very common in motorcycles and other machinery. Therefore the term "four-cylinder engine" is usually synonymous with straight-four engines. When a straight-four engine is installed at an inclined angle (instead of with the cylinders oriented vertically), it is sometimes called a slant-four . Between 2005 and 2008, the proportion of new vehicles sold in

2212-532: The "Art and Color Section" of GM and named Earl as its first director. Earl was the first design executive to be appointed to leadership at a major American corporation. Earl created a system of automobile design that is still practiced today. At the age of 24, Bill Mitchell was recruited by Earl to the design team at GM, and he was later appointed as Chief Designer of Cadillac. After Earl retired in December 1958, Mitchell took over automotive design for GM. Also in 1926

2291-521: The 1920s and early 1930s. The Miller engine evolved into the Offenhauser engine which had a highly successful spanning from the 1933 until 1981, including five straight victories at the Indianapolis 500 from 1971 to 1976. Many cars produced for the pre-WWII voiturette Grand Prix motor racing category used inline-four engine designs. 1.5 L supercharged engines found their way into cars such as

2370-441: The 1970s. Since then, the inline-four has become one of the most common engine configurations in street bikes. Outside of the cruiser category, the inline-four is the most common configuration because of its relatively high performance-to-cost ratio. All major Japanese motorcycle manufacturers offer motorcycles with inline-four engines, as do MV Agusta and BMW . BMW's earlier inline-four motorcycles were mounted horizontally along

2449-500: The 1990s. The Dodge Shelby Charger won the predecessor SCCA / Escort Endurance Championship in 1986. General Motors General Motors Company ( GM ) is an American multinational automotive manufacturing company headquartered in Detroit , Michigan, United States. The company is most known for owning and manufacturing four automobile brands: Chevrolet , Buick , GMC , and Cadillac . By total sales, it has continuously been

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2528-503: The 1992 model year. It was offered in four different trim levels: S and SL, available on both coupes and sedans, and the sporty SC and SCX coupes. The base S offered a 120  hp (89  kW ) 2.3 L "Quad OHC" 4-cylinder, while the SL had the DOHC 160 horsepower (120 kW) Quad 4 engine standard that was optional on the S model. A 160 hp (120 kW) 3.3 L V6 engine was optional for

2607-550: The 2.3 L Quad 4. There were little changes other than reduced trim levels and options for the final two model years. 1997: Trim levels were simplified to Series I and II. The standard included automatic transmission, larger touring tires, power exterior mirrors, driver's side adjustable lumbar support, and standard traction control. 1997 models complied with side-impact standards, and the Series II Coupe received alloy cross-lace alloy wheels. 1998: The final model year for

2686-469: The 2.4 litre Citroën DS engine, the 2.6 litre Austin-Healey 100 engine, the 3.3 L Ford Model A (1927) engine and the 2.5 L GM Iron Duke engine . Soviet/Russian GAZ Volga and UAZ engines with displacements of up to 2.9 litres were produced without balance shafts from the 1950s to the 1990s, however these were relatively low-revving engines which reduces the need for a balance shaft system. Most modern straight-four engines used in cars have

2765-771: The Achieva SCX in 1992 totaled 1146 cars made with (6) C41 RPO code A/C-delete racing models as follows: (1) bright red, (2) medium garnet red, (1) aqua, (1) blue, and (1) white cars. The normal C60 RPO code models included (472) bright red, (42) medium garnet red, (218) black, (196) aqua, (50) neon blue, (151) white, and (11) gray cars. The 1993 SCX production totaled 500 cars produced including (5) C41 RPO code A/C-delete racing models as follows: (1) bright red, (1) aqua, and (3) white cars. The normal C60 RPO code models included (128) black, (191) bright red, (20) medium garnet red, (73) aqua, (8) neon blue, (70) white, and (5) majestic pearl cars. 1993: For its second model year, engines offered

2844-584: The Achieva was 1998, with the majority of sales going to fleet customers. The Achieva was complemented at the end of its production run by the slightly larger Cutlass which overlapped Achieva production from 1997 to 1999. Both models were replaced in the Oldsmobile lineup by the Alero for 1999. The Cutlass and Alero were built on a redesigned GMX130 N-body platform that shared little chassis and platform architecture with

2923-485: The Achieva. Achieva production ended on December 4, 1997. 4-Door Sedan (1992–1998): 2-Door Coupe (1992–1997): The Achieva won the touring car championship of the SCCA World Challenge from 1992 to 1994. As of 2020, Oldsmobile is the only GM division other than Chevrolet ( Sonic ) to accomplish this feat and only one of two American brands (along with Chrysler's Eagle Talon , 1989–1991) to accomplish it in

3002-575: The EV1s were eventually returned to General Motors, and except for around 40 which were donated to museums with their electric powertrains deactivated, all were destroyed. The documentary film Who Killed the Electric Car? covered the EV1 story. In November 1992, John F. Smith Jr. became CEO of the company. In 1993, GM sold Lotus Cars to Bugatti . In 1996, in a return to its automotive basics, GM completed

3081-422: The Oldsmobile's lineup as well as being the last performance "W-Machine" Oldsmobile would offer. The SCX is a higher-performance version of the SC (sports coupe) and as such utilized the SC's deeper front bumper cover with standard fog lamps, lower body side cladding, rear bumper cover with dual exhaust tip cut-outs, as well as a unique W41-specific silver colored stripe around the lower body moldings, "W41" decals on

3160-506: The Peugeot engine which won the 1913 Indianapolis 500 was a highly influential engine. Designed by Ernest Henry , this engine had double overhead camshafts (DOHC) with four valves per cylinder, a layout that would become the standard until today for racing inline-four engines. Amongst the engines inspired by the Peugeot design was the Miller engine , which was a successful racing engine through

3239-473: The SL. The SC coupe had a standard 180 hp (130 kW) high-output Quad 4 with 5-speed manual transmission or a 3 speed automatic, with the 3.3 L V6 being an option. The W41 coupe was introduced by Oldsmobile in 1991 on the Cutlass Calais and offered through 1993 on the Achieva. The Achieva SCX replaced the previous Cutlass Calais 442 W41 as the best handling, highest power output compact car in

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3318-490: The United States government and military, the vehicle safety, security, and information services provider OnStar , the auto parts company ACDelco , a namesake financial lending service , and majority ownership in the self-driving cars enterprise Cruise LLC . The company originated as a holding company for Buick established on September 16, 1908, by William C. Durant , the largest seller of horse-drawn vehicles at

3397-549: The United States with four-cylinder engines rose from 30% to 47%. By the 2020 model year, the share for light-duty vehicles had risen to 59%. A four-stroke straight-four engine always has a cylinder on its power stroke, unlike engines with fewer cylinders where there is no power stroke occurring at certain times. Compared with a V4 engine or a flat-four engine , a straight-four engine only has one cylinder head , which reduces complexity and production cost. Petrol straight-four engines used in modern production cars typically have

3476-527: The United States, Nimbus in Denmark, Windhoff in Germany, and Wilkinson in the United Kingdom. The first across-the-frame 4-cylinder motorcycle was the 1939 racer Gilera 500 Rondine , it also had double-over-head camshafts, forced-inducting supercharger and was liquid-cooled . Modern inline-four motorcycle engines first became popular with Honda 's SOHC CB750 introduced in 1969, and others followed in

3555-665: The United States. Durant was averse to automobiles, but fellow Flint businessman James H. Whiting , owner of Flint Wagon Works , sold him the Buick Motor Company in 1904. Durant formed the General Motors Company in 1908 as a holding company , borrowing a naming convention from General Electric . GM's first acquisition was Buick , which Durant already owned, then Olds Motor Works on November 12, 1908. Under Durant, GM went on to acquire Cadillac , Elmore , Welch , Cartercar , Oakland (the predecessor of Pontiac ),

3634-458: The base Achieva, a wider rear axle with dual rear sway bars, " Computer Command Ride " (CCR) electronically adjustable struts and shock absorbers, as well as higher spring rates and bushing changes. (A similar CCR electronic suspension was also offered as an option on the Achieva SC as well as the platform-mate Buick Skylark and works similar to the systems offered on Cadillac and Corvette models of

3713-448: The company acquired Fisher Body , its supplier of automobile bodies. GM acquired Allison Engine Company and began developing a 1,000 horsepower liquid-cooled aircraft engine in 1929. The same year, GM acquired 80% of Opel , which at that time had a 37.5% market share in Europe, for $ 26 million. It acquired the remaining 20% in 1931. In the late-1920s, Charles Kettering embarked on

3792-477: The company in 1915 after a disagreement with Durant. GM was reincorporated in Detroit in 1916 as General Motors Corporation and became a public company via an initial public offering . By 1917, Chevrolet had become successful enough that Durant, with the backing of Samuel McLaughlin and Pierre S. du Pont , reacquired a controlling interest in GM. The same year, GM acquired Samson Tractor . Chevrolet Motor Company

3871-698: The diesel-hybrid market, the Opel Astra diesel engine hybrid concept vehicle was rolled out in January 2005. Later that year, GM sold its Electro-Motive Diesel locomotive division to private equity firms Berkshire Partners and Greenbriar Equity Group. GM paid $ 2 billion to sever its ties with Fiat in 2005, severing ties with the company due to an increasingly contentious dispute. GM began adding its " Mark of Excellence " emblem on all new vehicles produced and sold in North America in mid-2005. However, after

3950-482: The first hydrogen fuel cell car ever produced. Though fuel cells have existed since the early 1800s, General Motors was the first to use a fuel cell, supplied by Union Carbide , to power the wheels of a vehicle with a budget of "millions of dollars". In the 1960s, GM was an early proponent of V6 engines , but quickly lost interest as the popularity of muscle cars increased. GM demonstrated gas turbine vehicles powered by kerosene , an area of interest throughout

4029-471: The frame, but all current four-cylinder BMW motorcycles have transverse engines . The modern Triumph company has offered inline-four-powered motorcycles, though they were discontinued in favour of triples . The 2009 Yamaha R1 has an inline-four engine that does not fire at even intervals of 180°. Instead, it uses a crossplane crankshaft that prevents the pistons from simultaneously reaching top dead centre. This results in better secondary balance , which

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4108-559: The front fenders, and "Achieva SCX" decals at the leading edges of the doors. Other appearance changes for the SCX W41 package included the addition of a 140 mph speedometer in place of the standard 120 mph unit as well as a tachometer indicating the higher 7200 rpm red line. Performance modifications primarily differentiated the SCX from the SC models and were designed to make the SCX competitive for use in showroom stock racing series such as

4187-497: The gasoline was harmful to various biological organisms including humans. Evidence shows that corporate executives understood the health implications of tetraethyllead from the beginning. As an engineer for GM, Midgley also developed chlorofluorocarbons , which have now been banned due to their contribution to climate change . Under the encouragement of GM President Alfred P. Sloan Jr., GM acquired Vauxhall Motors for $ 2.5 million in 1925. The company also acquired an interest in

4266-637: The industry, but abandoned the alternative engine configuration due to the 1973 oil crisis . In partnership with Boeing , GM's Delco Defense Electronics Division designed the Lunar Roving Vehicle , which traversed the surface of the Moon, in 1971. The following year, GM produced the first rear wheel anti-lock braking system for two models: the Toronado and Eldorado. In 1973, the Oldsmobile Toronado

4345-554: The large 2,495 cc FPF that won the Formula One championship in Cooper 's chassis in 1959 and 1960. In Formula One, the 1980s were dominated by the 1,500 cc turbocharged cars. The BMW M12/13 engine was notable for the era for its high boost pressures and performance. The cast iron block was based on a standard road car block and powered the F1 cars of Brabham, Arrows and Benetton and won

4424-487: The largest automaker in the United States, and was the largest in the world for 77 years before losing the top spot to Toyota in 2008. General Motors operates manufacturing plants in eight countries. In addition to its four core brands, GM also holds interests in Chinese brands Baojun and Wuling via SAIC-GM-Wuling Automobile . GM further owns a namesake defense vehicles division which produces military vehicles for

4503-619: The loans to keep GM in business. The action of the bankers was partially influenced by the Panic of 1910–1911 that followed the earlier enforcement of the Sherman Antitrust Act of 1890 . In 1911, Charles F. Kettering of Dayton Engineering Laboratories Company (DELCO) and Henry M. Leland invented and patented the first electric starter in America. In November 1911, Durant co-founded Chevrolet with race car driver Louis Chevrolet , who left

4582-420: The other direction, which leads to a secondary dynamic imbalance that causes an up-and-down vibration at twice crankshaft speed. This imbalance is common among all piston engines, but the effect is particularly strong on four-stroke inline-four because of the two pistons always moving together. The strength of this imbalance is determined by the reciprocating mass, the ratio of connecting rod length to stroke, and

4661-583: The other two engines from the previous year were dropped. 1996: 1996 models included standard air conditioning and daytime running lamps. The dash was redesigned and shared with the Buick Skylark , featuring revised gauges and a passenger-side airbag. A Series III equipment level was added while the Series I was now only available on the coupe. The new base engine was a 2.4 liter four-cylinder "Twin Cam" that replaced

4740-405: The peak piston velocity. Therefore, small displacement engines with light pistons show little effect, and racing engines use long connecting rods. However, the effect grows quadratically with engine speed (rpm). Four-stroke engines with five or more cylinders are able to have at least one cylinder performing its power stroke at any given point in time. However, four-cylinder engines have gaps in

4819-482: The plant to arrest strikers, leading to violence; in other cities, the plants were shuttered peacefully. The strike was resolved on February 11, 1937, when GM recognized the UAW as the exclusive bargaining representative for its workers and gave workers a 5% raise and permission to speak in the lunchroom. Walter E. Jominy and A.L. Boegehold of GM invented the Jominy end-quench test for hardenability of carbon steel in 1937,

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4898-399: The power delivery, since each cylinder completes its power stroke before the next piston starts a new power stroke. This pulsating delivery of power results in more vibrations than engines with more than four cylinders. A balance shaft system is sometimes used to reduce the vibrations created by a straight-four engine, most often in engines with larger displacements. The balance shaft system

4977-528: The pricing strategy used by car companies today. The pricing strategy had Chevrolet , Pontiac , Oldsmobile , Buick , and Cadillac priced from least expensive to most, respectively. In 1921, Thomas Midgley Jr. , an engineer for GM, discovered tetraethyllead (leaded gasoline) as an antiknock agent, and GM patented the compound because ethanol could not be patented. This led to the development of higher compression engines resulting in more power and efficiency. The public later realized that lead contained in

5056-487: The reorganization in 2009, the company no longer added the logo, saying that emphasis on its four core divisions would downplay the GM logo. In 2005, Edward T. Welburn was promoted to the newly created position of vice president, GM Global Design, making him the first African American to lead a global automotive design organization and the highest-ranking African American in the US motor industry at that time. On July 1, 2016, he retired from General Motors after 44 years. He

5135-573: The special "W41" variant of the LG0 Quad 4 used in the SCX model. All were replaced for 1996 by a revised 2.4 L version. A pair of V6 engines were also offered including the Buick-sourced 90° 3.3 L "3300" V6, which was later replaced by Chevrolet's 60° 3.1 L "3100" V6 . While a 5-speed manual transaxle was initially offered as the standard base transmission , most Achieva models were sold with 3-speed or 4-speed automatic transaxles. 1998

5214-449: The time, was an ardent opponent of the New Deal , which bolstered labor unions and public transport . Sloan admired and supported Adolf Hitler . Nazi armaments chief Albert Speer allegedly said in 1977 that Hitler "would never have considered invading Poland" without synthetic fuel technology provided by General Motors. GM was compensated $ 32 million by the U.S. government because its German factories were bombed by U.S. forces during

5293-479: The time. The first half of the 20th century saw the company grow into an automotive behemoth through acquisitions; going into the second half, the company pursued innovation and new offerings to consumers as well as collaborations with NASA to develop the earliest electric vehicles . The current entity was established in 2009 after the General Motors Chapter 11 reorganization . As of 2024 , General Motors ranks 25th by total revenue out of all American companies on

5372-416: The time.) The SCX's powertrain included the highest output naturally aspirated four-cylinder engine GM had produced up to that time: the 190 horsepower, 160 lb·ft W41 version of Oldsmobile's Quad 4 engine. Compared to the SC's standard high-output, 180 horsepower LGO Quad 4, the W41 version of the LGO Quad 4 was fitted with different camshafts , a low restriction exhaust system with dual mufflers and

5451-414: The war. Effective January 28, 1953, Charles Erwin Wilson , then GM president, was named by Dwight D. Eisenhower as United States Secretary of Defense . In December 1953, GM acquired Euclid Trucks , a manufacturer of heavy equipment for earthmoving , including dump trucks , loaders and wheel tractor-scrapers , which later spawned the Terex brand. Alfred P. Sloan retired as chairman and

5530-484: The world championship in 1983. The 1986 version of the engine was said to produce about 1,300 hp (969 kW) in qualifying trim. Belgian arms manufacturer FN Herstal , which had been making motorcycles since 1901, began producing the first motorcycles with inline-fours in 1905. The FN Four had its engine mounted upright with the crankshaft longitudinal . Other manufacturers that used this layout included Pierce , Henderson , Ace , Cleveland , and Indian in

5609-426: Was added as a standard feature, and the Buick-developed 3.3 L "3300" V6 was replaced by a Chevrolet-designed 3.1 L "3100" V6. 1995: 1995 trim levels were reduced to one: SC coupe and SL sedan, divided into two groups, Series I and Series II according to equipment. The Quad 4 with 150 horsepower (110 kW) and 3.1 liter V6 with 155 horsepower (116 kW) were the only available engines for 1995;

5688-478: Was consolidated into GM on May 2, 1918, and the same year GM acquired United Motors , a parts supplier founded by Durant and headed by Alfred P. Sloan for $ 45 million, and the McLaughlin Motor Car Company , founded by R. S. McLaughlin , became General Motors of Canada Limited. In 1919, GM acquired Guardian Frigerator Company , part-owned by Durant, which was renamed Frigidaire . Also in 1919,

5767-560: Was eventually discontinued in 2004, seven years after it had become the first American car brand to turn 100. In May 2004, GM delivered the first full-sized pickup truck hybrid vehicles , the 1/2-ton Chevrolet Silverado / GMC Sierra trucks. These mild hybrids did not use electrical energy for propulsion, like GM's later designs. Later, the company debuted another hybrid technology, co-developed with DaimlerChrysler and BMW , in diesel-electric hybrid powertrain manufactured by Allison Transmission for transit buses. Continuing to target

5846-437: Was invented in 1911 and consists of two shafts carrying identical eccentric weights that rotate in opposite directions at twice the crankshaft's speed. This system was patented by Mitsubishi Motors in the 1970s and has since been used under licence by several other companies. Not all large displacement straight-four engines have used balance shafts, however. Examples of relatively large engines without balance shafts include

5925-559: Was originally designed as a 2 L Formula 2 engine for the Ferrari 500, but evolved to 2.5 L to compete in Formula One in the Ferrari 625. For sports car racing, capacity was increased up to 3.4 L for the Ferrari 860 Monza. The Coventry Climax straight-four engine was also a very successful racing engine, which began life as a 1.5 litre Formula 2 engine. Enlarged to 2.0 litres for Formula One in 1958, it evolved into

6004-557: Was replaced by Michael Simcoe . In 2006, GM introduced a bright yellow fuel cap on its vehicles to remind drivers that cars can operate using E85 ethanol fuel . They also introduced another hybrid vehicle that year, the Saturn Vue Green Line . In 2008, General Motors committed to engineering half of its manufacturing plants to be landfill-free by recycling or reusing waste in the manufacturing process. Continuing their environmental-conscious development, GM started to offer

6083-585: Was succeeded by Albert Bradley in April 1956. In 1962, GM introduced the first ever turbocharged production car in the world in the Oldsmobile Cutlass Turbo-Jetfire. Two years later, the company introduced its " Mark of Excellence " logo and trademark at the 1964 New York World's Fair . The company used the mark as their main corporate identifier until 2021. GM released the Electrovan in 1966,

6162-427: Was the final model year for the Achieva, after which it was replaced in the Oldsmobile lineup by the Alero for the 1999 model year. The Achieva was first seen as a concept car at the 1991 Chicago Auto Show , positioned to replace Oldsmobile's compact Calais models. The Calais and Achieva share the same front wheel drive N-body architecture including identical wheelbase . The Achieva started regular production for

6241-547: Was the first retail car sold with a passenger airbag . Thomas Murphy became CEO of the company, succeeding Richard C. Gerstenberg in November 1974. GM installed its first catalytic converters in its 1975 models. From 1978 to 1985, GM pushed the benefits of diesel engines and cylinder deactivation technologies. However, it had disastrous results due to poor durability in the Oldsmobile diesels and drivability issues in

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