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Two sets, or tiers, of emission standards for light-duty vehicles in the United States were defined as a result of the Clean Air Act Amendments of 1990. The Tier I standard was adopted in 1991 and was phased in from 1994 to 1997. Tier II standards were phased in from 2004 to 2009. Within the Tier II ranking, there is a subranking ranging from ...
Following the 1950s and 1960s — the unregulated decades when the U.S. automotive industry could prioritize unrestrained horsepower, [2] size and styling — the Malaise Era arose after the Clean Air Act of 1963 began to codify a legislative response to serious national car-generated air quality concerns, and Ralph Nader's 1965 Unsafe at Any Speed galvanized attention on U.S. automotive ...
New Hampshire – annually, except the first inspection of a new vehicle or upon an ownership transfer is adjusted to expire in the month of the registrant's birthday and is therefore valid for 4 to 15 months. Emissions inspection is required only for model year 1996 and newer vehicles that are less than 20 years old. [41] New Jersey ...
Emission standards are the legal requirements governing air pollutants released into the atmosphere. Emission standards set quantitative limits on the permissible amount of specific air pollutants that may be released from specific sources over specific timeframes. They are generally designed to achieve air quality standards and to protect ...
The California Air Resources Board (CARB or ARB) is an agency of the government of California that aims to reduce air pollution.Established in 1967 when then-governor Ronald Reagan signed the Mulford-Carrell Act, combining the Bureau of Air Sanitation and the Motor Vehicle Pollution Control Board, CARB is a department within the cabinet-level California Environmental Protection Agency.
Section 202(a)(1) of the Clean Air Act requires the Administrator of the EPA to establish standards "applicable to the emission of any air pollutant from…new motor vehicles or new motor vehicle engines, which in [her] judgment cause, or contribute to, air pollution which may reasonably be anticipated to endanger public health or welfare" (emphasis added). [3]
New York University (NYU) is a private research university located in New York City, [2] which was founded by Albert Gallatin in 1831. [3] The "president and chancellor", often shortened to president, is the highest authority in the university after the board of trustees, [4] serving as its chief executive and chief academic officer. [5]
Twenty-three states, along with the District of Columbia and the cities of New York City and Los Angeles, joined California in a federal lawsuit challenging the administration's decision. [56] In March 2022 the Biden administration reversed the Trump-era rule, allowing California to again set stricter auto emissions standards. [57]