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Vehicle emissions control information


Vehicle emissions control is the study of reducing the emissions produced by motor vehicles, especially internal combustion engines. The primary emissions studied include hydrocarbons, volatile organic compounds, carbon monoxide, carbon dioxide, nitrogen oxides, particulate matter, and sulfur oxides. Starting in the 1950s and 1960s, various regulatory agencies were formed with a primary focus on studying the vehicle emissions and their effects on human health and the environment. As the worlds understanding of vehicle emissions improved, so did the devices used to mitigate their impacts. The regulatory requirements of the Clean Air Act, which was amended many times, greatly restricted acceptable vehicle emissions. With the restrictions, vehicles started being designed more efficiently by utilizing various emission control systems and devices which became more common in vehicles overtime.

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Vehicle emissions control

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Vehicle emissions control is the study of reducing the emissions produced by motor vehicles, especially internal combustion engines. The primary emissions...

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Vehicle emission standard

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standards for vehicle emissions. Many emissions standards focus on regulating pollutants released by automobiles (motor cars) and other powered vehicles. Others...

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Emissions control

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Emissions control may refer to: EMCON, military state of minimal radio emissions Technology involved in vehicle emissions control Regulation of air pollution...

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United States vehicle emission standards

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non-exhaust emissions AP 42 Compilation of Air Pollutant Emission Factors Emissions standard List of low emissions locomotives Motor vehicle emissions Portable...

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Exhaust gas

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pollution Motor vehicle emissions and pregnancy Rolling coal Space jellyfish United States emission standards Vehicle emissions control Omidvarborna; et al...

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European emission standards

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European emission standards to control emissions of engines that are not used primarily on public roadways. This definition includes off-road vehicles as well...

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Volkswagen emissions scandal

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diesel engines to activate their emissions controls only during laboratory emissions testing, which caused the vehicles' NOx output to meet US standards...

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Bharat stage emission standards

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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...

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Vehicle size class

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Vehicle size classes are series of ratings assigned to different segments of automotive vehicles for the purposes of vehicle emissions control and fuel...

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Vehicle inspection in the United States

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In the United States, vehicle safety inspection and emissions inspection are governed by each state individually. Fifteen states have a periodic (annual...

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Secondary air injection

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Secondary air injection (commonly known as air injection) is a vehicle emissions control strategy introduced in 1966, wherein fresh air is injected into...

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BlueTEC

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advanced NOx reducing technology for vehicle emissions control in diesel-powered vehicles. The technology in BlueTec vehicles includes a selective catalytic...

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Defeat device

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motor vehicle hardware, software, or design that interferes with or disables emissions controls under real-world driving conditions, even if the vehicle passes...

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Diesel emissions scandal

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addition, the vehicle with a carbon dioxide emissions of 179 g CO2/km is permitted, but in real operation on the road, according to DUH, the emissions are on...

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AirCare

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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...

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Onboard refueling vapor recovery

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An onboard refueling vapor recovery system (ORVR) is a vehicle fuel vapor emission control system that captures volatile organic compounds (VOC, potentially...

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Crankcase ventilation system

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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...

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BlueMotion

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engines with NNOx-reducing reducing technology for diesel-powered vehicle emissions control. This technology has also been used in SEAT's models like the...

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Catalytic converter

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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)...

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Advanced Propulsion Centre

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universities across the UK with specialisms in particular areas of net-zero emission vehicle technology. Spoke locations: Newcastle University - Newcastle upon...

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GREET Model

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natural gas; Emissions of CO2-equivalent greenhouse gases - primarily carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O); and Emissions of six criteria...

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Vehicle Excise Duty

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VED that was linked explicitly with a vehicle's carbon emissions ratings, as a means for vehicle emissions control. Since then, VED was levied in a system...

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California Smog Check Program

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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...

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Diesel exhaust

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Europe, and Japan have extended emissions control regulations from covering on-road vehicles to include farm vehicles and locomotives, marine vessels...

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