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2. Ultra-low-emission vehicle - Wikipedia

   en.wikipedia.org/wiki/Ultra-low-emission_vehicle

   An ultra-low-emission vehicle (ULEV) is a motor vehicle that emits extremely low levels of motor vehicle emissions compared to other vehicles. In some jurisdictions it is defined in law; low and ultra low emission vehicles may be given tax or other advantages, [ 1 ] while high emission vehicles may suffer restrictions or additional taxation.

3. United States vehicle emission standards - Wikipedia

   en.wikipedia.org/wiki/United_States_vehicle...

   The Clean Air Act of 1963 (CAA) was passed as an extension of the Air Pollution Control Act of 1955, encouraging the federal government via the United States Public Health Service under the then-Department of Health, Education, and Welfare (HEW) to encourage research and development towards reducing pollution and working with states to establish their own emission reduction programs.

4. Super ultra-low emission vehicle - Wikipedia

   en.wikipedia.org/wiki/Super_ultra-low_emission...

   The SULEV standard is stricter than the standard for LEV (low emission vehicle) and ULEV (ultra-low-emission vehicle), however not as strict as PZEV (partial zero-emissions vehicle) which meets the SULEV standard for tailpipe emissions, but has zero instead of reduced evaporative emissions.

5. Partial zero-emissions vehicle - Wikipedia

   en.wikipedia.org/wiki/Partial_zero-emissions_vehicle

   In California, PZEVs have their own administrative category for low-emission vehicles.The category was made in a bargain between automakers and the California Air Resources Board (CARB), so that automobile makers could delay making mandated zero-emission vehicles (ZEVs)—battery electric and fuel-cell electric vehicles.

6. Federal Motor Vehicle Safety Standards - Wikipedia

   en.wikipedia.org/wiki/Federal_Motor_Vehicle...

   The Federal Motor Vehicle Safety Standards (FMVSS) are U.S. federal vehicle regulations specifying design, construction, performance, and durability requirements for motor vehicles and regulated automobile safety-related components, systems, and design features.

7. European emission standards - Wikipedia

   en.wikipedia.org/wiki/European_emission_standards

   Since 1 January 2023, all new heavy vehicles in Brazil must comply with Proconve P8 (similar to Euro 6). [94] Since 1 January 2023, all new vehicles in Colombia must comply with Euro 6b. [95] [96] Since 1 July 2023, all new vehicles in China must comply with China 6b (more strict than provisional so-called "Euro 7"). [88]