• Vehicle emissions control is the study of reducing the emissions produced by motor vehicles, especially internal combustion engines. The primary emissions...
    29 KB (3,625 words) - 01:59, 12 June 2025
  • Thumbnail for Emission standard
    standards for vehicle emissions. Many emissions standards focus on regulating pollutants released by automobiles (motor cars) and other powered vehicles. Others...
    49 KB (5,581 words) - 23:19, 23 May 2025
  • Emissions control may refer to: EMCON, military state of minimal radio emissions Technology involved in vehicle emissions control Regulation of air pollution...
    228 bytes (57 words) - 21:59, 25 October 2015
  • ultra-low emissions vehicle (SULEV) is a U.S. classification for passenger vehicle emissions. The classification is based on producing 90% fewer emissions than...
    8 KB (730 words) - 00:57, 23 January 2025
  • Thumbnail for Zero-emissions vehicle
    pollutant emissions are generated by vehicle manufacturing processes. The emissions from manufacturing are many factors larger than the emissions from tailpipes...
    23 KB (2,371 words) - 11:25, 24 May 2025
  • A partial zero-emission vehicle, in the United States, is an automobile that has zero evaporative emissions from its fuel system, has a 15-year (or at...
    5 KB (542 words) - 15:17, 28 May 2025
  • 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...
    3 KB (342 words) - 10:05, 4 November 2022
  • Vehicle size classes are series of ratings assigned to different segments of automotive vehicles for the purposes of vehicle emissions control and fuel...
    24 KB (2,243 words) - 07:37, 18 October 2024
  • Thumbnail for Exhaust gas
    pollution Motor vehicle emissions and pregnancy Rolling coal Space jellyfish United States emission standards Vehicle emissions control Omidvarborna; et al...
    30 KB (3,338 words) - 14:22, 21 June 2025
  • Thumbnail for Vehicle inspection in the United States
    pre-owned vehicle. Eleven states require periodic emissions inspections statewide, and eighteen additional states require periodic emissions inspections...
    41 KB (3,802 words) - 03:31, 27 June 2025
  • Thumbnail for European emission standards
    Portable emissions measurement system Regulation on non-exhaust emissions Type approval Ultra-low-sulfur diesel United States vehicle emission standards...
    86 KB (7,213 words) - 13:58, 10 June 2025
  • Thumbnail for Rolling coal
    Rolling coal (category Vehicle modification)
    are rigged to "delete" emissions controls. According to government estimates, the practice can increase nitrogen oxide emissions as much as 310 times,...
    37 KB (3,124 words) - 17:55, 20 June 2025
  • some catalytic reactors. Most catalytic converters are used for vehicle emissions control. Stationary catalytic converters can reduce air pollution from...
    2 KB (267 words) - 18:40, 18 July 2023
  • the CO2 emissions labelling mandatory on all new cars in the country. The auto companies should inform the customers about a vehicle's emissions. For the...
    48 KB (4,237 words) - 22:44, 14 June 2025
  • non-exhaust emissions AP 42 Compilation of Air Pollutant Emission Factors Emissions standard List of low emissions locomotives Motor vehicle emissions Portable...
    64 KB (5,998 words) - 15:09, 6 June 2025
  • Secondary air injection (category Air pollution control systems)
    Secondary air injection (commonly known as air injection) is a vehicle emissions control strategy introduced in 1966, wherein fresh air is injected into...
    6 KB (752 words) - 10:47, 18 April 2024
  • advanced NOx reducing technology for vehicle emissions control in diesel-powered vehicles. The technology in BlueTec vehicles includes a selective catalytic...
    13 KB (1,375 words) - 11:35, 1 May 2025
  • Thumbnail for AirCare
    carbon emissions by vehicles. Many car models had to pass yearly or biyearly AirCare inspections. The aim was to prevent old cars with high emissions from...
    14 KB (1,693 words) - 03:09, 5 May 2025
  • Thumbnail for California Smog Check Program
    California Smog Check Program (category Vehicle emission controls)
    program's stated aim is to reduce air pollution from vehicles by ensuring that cars with excessive emissions are repaired in accordance with federal and state...
    32 KB (3,658 words) - 19:37, 22 April 2025
  • Onboard refueling vapor recovery (category Vehicle emission controls)
    An onboard refueling vapor recovery system (ORVR) is a vehicle fuel-vapor emission control system. It captures potentially harmful volatile organic compounds...
    11 KB (1,202 words) - 11:33, 28 February 2025
  • Thumbnail for Crankcase ventilation system
    Crankcase ventilation system (category Pollution control technologies)
    crankcase gases back to the combustion chamber, as part of the vehicle emissions control, in order to reduce air pollution. Two-stroke engines with a crankcase...
    17 KB (2,368 words) - 20:29, 14 October 2024
  • Ontario's Drive Clean (category Vehicle emission controls)
    RCL) while emissions standards have simultaneously become 23% more stringent leading to a greater percentage of vehicles that fail emissions tests. The...
    21 KB (2,456 words) - 19:36, 27 April 2025
  • Thumbnail for Catalytic converter
    Catalytic converter (category Air pollution control systems)
    emissions associated with cold starts. A pre-cat is most commonly used by an auto manufacturer when trying to attain the Ultra Low Emissions Vehicle (ULEV)...
    56 KB (6,745 words) - 11:34, 24 May 2025
  • GREET Model (category Vehicle emission controls)
    natural gas; Emissions of CO 2-equivalent greenhouse gases - primarily carbon dioxide (CO 2), methane (CH 4), and nitrous oxide (N 2O); Emissions of six criteria...
    3 KB (381 words) - 02:05, 18 January 2025
  • Thumbnail for Volkswagen emissions scandal
    diesel engines to activate their emissions controls only during laboratory emissions testing, which caused the vehicles' NOx output to meet US standards...
    266 KB (24,832 words) - 18:09, 6 June 2025
  • VED that was linked explicitly with a vehicle's carbon emissions ratings, as a means for vehicle emissions control. Since March 2001, VED for cars has been...
    32 KB (3,241 words) - 10:23, 22 June 2025
  • CARB's responsibilities is to define vehicle emissions standards. California is the only state permitted to issue emissions standards under the federal Clean...
    86 KB (7,939 words) - 14:36, 11 May 2025
  • established to minimize airborne emissions from ships as defined by Annex VI of the 1997 MARPOL Protocol. The emissions specifically include SOx, NOx, ODSs...
    17 KB (1,783 words) - 15:22, 19 March 2025
  • zero-emission vehicles such as all-electric vehicles. A ultra-low-emission zone (ULEZ) is a zone with a stricter emissions requirement than LEZ. A zero-emission zone...
    27 KB (2,913 words) - 02:02, 16 June 2025
  • Thumbnail for On-board diagnostics
    to a vehicle's self-diagnostic and reporting capability. In the United States, this capability is a requirement to comply with federal emissions standards...
    54 KB (6,521 words) - 13:25, 19 April 2025