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National Highway And Traffic Safety Administration
The National Highway Traffic Safety Administration (NHTSA ) is an agency of the U.S. federal government, part of the Department of Transportation, focused on automobile safety regulations. NHTSA is charged with writing and enforcing Federal Motor Vehicle Safety Standards (FMVSS), regulations for motor vehicle theft resistance, and fuel economy, as part of the Corporate Average Fuel Economy (CAFE) system. FMVSS 209 was the first standard to become effective on March 1, 1967. NHTSA licenses vehicle manufacturers and importers, allows or blocks the import of vehicles and safety-regulated vehicle parts, administers the vehicle identification number (VIN) system, develops the crash test dummies used in U.S. safety testing as well as the test protocols themselves, and provides vehicle insurance cost information. The agency has asserted preemptive regulatory authority over greenhouse gas emissions, but this has been disputed by state regulatory agencies such as the Californi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ralph Nader
Ralph Nader (; born February 27, 1934) is an American lawyer and political activist involved in consumer protection, environmentalism, and government reform causes. He is a Perennial candidate, perennial presidential candidate. His 1965 book ''Unsafe at Any Speed'', which criticized the automotive industry for its safety record, helped lead to the passage of the National Traffic and Motor Vehicle Safety Act in 1966. The son of Lebanese immigrants to the United States, Nader attended Princeton University and Harvard Law School. He quickly developed an interest in vehicle designs that were hazardous and contributed to elevated levels of car accidents and fatalities. Published in 1965, ''Unsafe at Any Speed'' became a highly influential critique of the safety record of American automobile manufacturers, focusing on General Motors' (GM's) Corvair automobile in particular. Following the publication of ''Unsafe at Any Speed'', Nader led a group of volunteer law students—dubbed "Nad ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crashworthiness
Crashworthiness is the ability of a structure to protect its occupants during an impact. This is commonly tested when investigating the safety of aircraft and vehicles. Different criteria are used to figure out how safe a structure is in a crash, depending on the type of impact and the vehicle involved. Crashworthiness may be assessed either prospectively, using computer models (e.g., RADIOSS, LS-DYNA, PAM-CRASH, MSC Dytran, MADYMO) or experiments, or retrospectively, by analyzing crash outcomes. Several criteria are used to assess crashworthiness prospectively, including the deformation patterns of the vehicle structure, the acceleration experienced by the vehicle during an impact, and the probability of injury predicted by human body models. Injury probability is defined using criteria, which are mechanical parameters (e.g., force, acceleration, or deformation) that correlate with injury risk. A common injury criterion is the head impact criterion (HIC). Crashworthiness is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Moose Test
The evasive manoeuvre test (; colloquial: moose test or elk test; Swedish: ''Älgtest'', German: ''Elchtest'') is performed to determine how well a certain vehicle evades a suddenly appearing obstacle. This test has been standardized in ISO 3888-2. Forms of the test have been performed in Sweden since the 1970s. The colloquial and internationally better-known name for the test was coined in 1997 by the German newspaper ''Süddeutsche Zeitung'' after the Swedish motor magazine '' Teknikens Värld'' together with the TV-show '' Trafikmagasinet'' flipped a First generation Mercedes-Benz A-Class in a test ostensibly made to measure the car's ability to avoid hitting a moose. In reality, the test is constructed to simulate, for example, a reversing car or a child rushing out onto the road. This is because it is more likely that the moose will continue across the road than remain in place or turn back, making it more advisable to brake hard and try to slip behind the animal than t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electronic Stability Control
Electronic stability control (ESC), also referred to as electronic stability program (ESP) or dynamic stability control (DSC), is a computerized technology that improves a car handling, vehicle's stability by detecting and reducing loss of Traction (engineering), traction (skid (automobile), skidding). When ESC detects loss of steering control, it automatically applies the brakes to help steer the vehicle where the driver intends to go. Braking is automatically applied to wheels individually, such as the outer front wheel to counter oversteer, or the inner rear wheel to counter understeer. Some ESC systems also reduce engine power until control is regained. ESC does not improve a vehicle's cornering performance; instead, it helps reduce the chance of the driver losing control of the vehicle on a slippery road. According to the U.S. National Highway Traffic Safety Administration and the Insurance Institute for Highway Safety in 2004 and 2006, one-third of fatal accidents could be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vehicle Rollover
A rollover or overturn is a type of vehicle crash in which a vehicle tips over onto its side or roof. Rollovers have a higher fatality rate than other types of vehicle collisions. Dynamics Vehicle rollovers are divided into two categories: tripped and untripped. Tripped rollovers are caused by forces from an external object, such as a curb or a collision with another vehicle. Untripped rollovers are the result of steering input, speed, and friction with the ground. Trailers that are not roll-coupled (i.e. those that use a trailer coupling rather than a fifth wheel) are more prone to rolling as they do not have the tractor unit or prime mover for additional stability. Untripped rollovers Untripped rollovers occur when cornering forces destabilize the vehicle. As a vehicle rounds a corner, three forces act on it: tire forces (the centripetal force), inertial effects (the centrifugal force), and gravity. The cornering forces from the tire push the vehicle towards the center of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ford Explorer
The Ford Explorer is a range of Sport utility vehicle, SUVs manufactured by Ford Motor Company since the 1991 model year. The first five-door SUV produced by Ford, the Explorer, was introduced as a replacement for the three-door Ford Bronco II, Bronco II. As with the Ford Ranger, the model line derives its name from a trim package previously offered on Ford F-Series pickup trucks. As of 2020, the Explorer became the best-selling SUV in the American market. Currently in its sixth generation, the Explorer has featured a five-door wagon body style since its 1991 introduction. During the first two generations, the model line included a three-door wagon (directly replacing the Bronco II). The Ford Explorer Sport Trac is a crew-cab mid-size pickup derived from the second-generation Explorer. The fifth and sixth generations of the Explorer have been produced as the Ford Police Interceptor Utility (replacing both the Ford Crown Victoria Police Interceptor and the Ford Police Intercepto ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Audi 100
The Audi 100 and Audi 200 (and sometimes called Audi 5000 in North America) are primarily mid-size/executive cars manufactured and marketed by the Audi division of the Volkswagen Group. The car was made from 1968 to 1997 across four generations (C1–C4), with a two-door model available in the first and second generation (C1-C2), and a five-door model available in the last three generations (C2–C4).They also made an 100 Avant in the 1970s. In 1982, the third generation Audi 100 achieved a remarkably low (for its time) drag coefficient of 0.30, featuring flush greenhouse sides with unique sliding window mountings. The C2 and C3 models of the Audi 100 were marketed in North America as the Audi 5000 from 1978 to 1988, and in South Africa as the Audi 500. In 1993, the models were mildly restyled, and renamed the Audi A6 series in conjunction with a general new Audi naming scheme, until they were replaced by a new generation of A6, internally code-named C5, in 1997. The Audi 100's ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Highway Safety Act
The National Traffic and Motor Vehicle Safety Act was enacted in the United States in 1966 to empower the federal government to set and administer new safety standards for motor vehicles and road traffic safety. The Act was the first mandatory federal safety standards for motor vehicles. The Act created the National Highway Safety Bureau (now National Highway Traffic Safety Administration). The Act was one of a number of initiatives by the government in response to increasing number of cars and associated fatalities and injuries on the road following a period when the number of people killed on the road had increased 6-fold and the number of vehicles was up 11-fold since 1925. The reduction of the rate of death attributable to motor-vehicle crashes in the United States represents the successful public health response to a great technologic advance of the 20th century—the motorization of the United States. History Systematic motor-vehicle safety efforts began during the 1960s. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lyndon Johnson
Lyndon Baines Johnson (; August 27, 1908January 22, 1973), also known as LBJ, was the 36th president of the United States, serving from 1963 to 1969. He became president after assassination of John F. Kennedy, the assassination of John F. Kennedy, under whom he had served as the 37th Vice President of the United States, vice president from 1961 to 1963. A Southern Democrat, Johnson previously represented Texas in United States Congress, Congress for over 23 years, first as a U.S. representative from 1937 to 1949, and then as a U.S. senator from Texas, U.S. senator from 1949 to 1961. Born in Stonewall, Texas, Johnson worked as a teacher and a congressional aide before winning election to the U.S. House of Representatives in 1937. In 1948, he was controversially declared the winner in the Democratic primary for the 1948 United States Senate election in Texas, U.S. Senate election in Texas before winning the general election. He became Party leaders of the United States Senate, S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
