Green Car Congress

JANUARY 27, 2015

exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. HEI is an independent, non-profit research institute funded jointly by the US Environmental Protection Agency (EPA) and the worldwide motor vehicle industry. Earlier post.)

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Exhaust Diesel Engine 2007 150

Green Car Congress

MAY 23, 2010

It is also a critical factor in meeting evaporative emission requirements. Evaporative emissions from gasoline—volatile organic compounds (VOCs)—are precursors to the formation of tropospheric ozone and contribute to ground-level ozone. Energy Fuels , Article ASAP doi: 10.1021/ef100254w. Mueller and O.

Alcohol Blend 210

Alcohol Blend Gasoline Ozone Fuel 210

Green Car Congress

AUGUST 9, 2009

Emissions of nonmethane hydrocarbon compounds to the atmosphere from the biosphere exceed those from anthropogenic activity. Isoprene, a five-carbon diene formed naturally in plants and animals and a precursor of ozone, contributes more than 40% of these emissions. Tags: Climate models Emissions Health. John Seinfeld.

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Climate New Zealand Denmark 2009 150