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.)

Exhaust 150

Exhaust Diesel Engine 2007 150

Green Car Congress

MAY 23, 2010

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. Guide to Federal and State Summer RVP Standards for Conventional Gas Only (US EPA). Mueller and O.

Alcohol Blend 210

Alcohol Blend Gasoline Ozone Fuel 210

Green Car Congress

AUGUST 9, 2009

Isoprene, a five-carbon diene formed naturally in plants and animals and a precursor of ozone, contributes more than 40% of these emissions. Isoprene is emitted by many deciduous trees, with oaks playing the biggest role. Global isoprene emissions from plants are estimated at more than 500 teragrams each year. work is its practical value.

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Climate New Zealand Denmark 2009 150