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  2. Exhaust gas - Wikipedia

    en.wikipedia.org/wiki/Exhaust_gas

    European emission standards limit the CO 2 emissions of new passenger cars and light vehicles. The European Union average new car CO 2 emissions figure dropped by 5.4% in the year to the first quarter of 2010, down to 145.6 g/km .

  3. United States vehicle emission standards - Wikipedia

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

    Federal emissions regulations cover the primary component of vehicle exhaust, carbon dioxide (CO 2). Since CO 2 emissions are proportional to the amount of fuel used, the national Corporate Average Fuel Economy (CAFE) regulations were historically the primary way in which automotive CO 2 emissions were regulated in the U.S.

  4. Vehicle emissions control - Wikipedia

    en.wikipedia.org/wiki/Vehicle_emissions_control

    Exhaust emissions can be reduced by making use of clean vehicle propulsion. The most popular modes include hybrid and electric vehicles . As of December 2020 [update] , China had the world's largest stock of highway legal plug-in electric passenger cars with 4.5 million units, representing 42% of the world's stock of plug-in cars.

  5. New emission rules for cars will start slow but grow ... - AOL

    www.aol.com/emission-rules-cars-start-slow...

    A new emissions rule for cars, trucks and vans sold in the United States from 2027 to 2032 will phase reductions in more slowly to allow charging infrastructure and low-carbon emissions vehicles ...

  6. The Hidden Danger of Car Exhaust - AOL

    www.aol.com/news/2013-05-26-the-hidden-danger-of...

    A study just published in an American Heart Association journal links atherosclerosis -- hardening of the arteries -- to car exhaust. The diesel exhaust fumes robbed what is generally known as ...

  7. Catalytic converter - Wikipedia

    en.wikipedia.org/wiki/Catalytic_converter

    A three-way catalytic converter on a gasoline-powered 1996 Dodge Ram Simulation of flow inside a catalytic converter. A catalytic converter is an exhaust emission control device which converts toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox reaction.

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