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New Emissions Analytics study suggests pollution from tire wear now 1,850 times worse than exhaust emissions

Green Car Congress

Since that study, which was transparently designed to quantify the worst-case tire emissions under legal driving, Emissions Analytics has been testing and analyzing tire wear emissions in more detail across a wider range of driving conditions, and has performed a detailed chemical analysis of hundreds of new tires. x 10 11 #/km for diesels.

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Recent on-road real-world emission testing in India highlights disparity between cycles, gasoline and diesel

Green Car Congress

The results highlight the disparity between test-cycles and real-world emissions as well as the large disparity between gasoline and diesel vehicles. gNO x /km for gasoline; and 0.25 gNO x /km for a diesel vehicle with gross vehicle with GVWR x /km for a 7-seater diesel passenger vehicle. Source: The ICCT.

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T&E concludes that diesel cars emit more CO2 on a full lifecycle basis than gasoline cars

Green Car Congress

A new analysis by the NGO Transport & Environment (T&E) concludes that diesel cars emit more CO 2 than equivalent cars on a full lifecycle basis—i.e., According to the T&E analysis, an average diesel car produces emits 3.65 According to the T&E analysis, an average diesel car produces emits 3.65 l/100 km (37.3

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A Bamboo Carbon Filter for Diesels Could Reduce Emissions

Cars That Think

Diesel cars are a popular choice for those looking to buy a used vehicle in Asia, Europe, and elsewhere. After all, diesel cars cost less to maintain, burn less fuel, and have a longer engine life. To reduce emissions, diesel vehicles use filters that catch exhaust particles and other contaminants.

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Study finds gasoline exhaust contributes more to formation of secondary organic aerosols than diesel

Green Car Congress

Contrary to expectations, exhaust from gasoline vehicles contributes more to the production of secondary organic aerosols (SOA) than exhaust from diesel vehicles, according to a new study by scientists from the Cooperative Institute for Research in Environmental Sciences (CIRES), NOAA’s Earth System Research Laboratory (ESRL) and other colleagues.

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UC Berkeley study quantifies LD gasoline on-road emissions

Green Car Congress

Based on on-road measurements in their study, a team from the University of California Berkeley has estimated that, as of 2010, light-duty (LD) gasoline vehicles were responsible for 85% of CO; 18% of NO x ; 18% of organic aerosol (OA); and 6% of black carbon (BC) emissions from on-road motor vehicles in the United States.

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Chevron fined $329,700 for violations of California’s gasoline regulation; over-oxygenated gasoline in 2010 and 2011

Green Car Congress

has paid $329,700 in penalties for self-disclosed violations of California’s reformulated gasoline regulations. Chevron supplied gasoline in violation of state regulations at its Montebello and Richmond terminals. In both cases oxygenate volume of the gasoline was about 11%. The California Air Resources Board announced.

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