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UPS makes largest purchase of renewable natural gas yet in the US: 170M gallon equivalents over 7 years

Green Car Congress

RNG is a key part of UPS’ strategy to increase alternative fuel consumption to be 40% of total ground fuel purchases by 2025, supporting the logistics leader’s efforts to reduce the absolute greenhouse gas (GHG) emissions of its ground fleet 12% by 2025. UPS fueling stations in Albuquerque, N.M.; Atlanta, Ga.; Chattanooga, Tenn.;

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HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

Green Car Congress

The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. Earlier post.) Earlier post.)

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First results from HEI/ACES murine study find few biologic effects from exposure to exhaust from new technology diesel engines

Green Car Congress

The first results of a comprehensive study of the health effects of exposure to new technology diesel engines has found no evidence of gene-damaging effects in the animals studied, and only a few mild effects on the lungs, according to a report issued today by the Health Effects Institute (HEI). Parts 2 and 3 describe studies by Drs.

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