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

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exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. The study exposed laboratory rats 80 hours a week, for up to 30 months, to emissions from a heavy-duty diesel engine meeting 2007 US EPA standards using new filters and other control technology.

Exhaust 150
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UNEP Report Calls for More Sophisticated Approach to Developing Biofuels; Limitations of Current LCA Studies

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Here, RME show advantages for primary energy and GHG, but disadvantages in terms of acidification, eutrophication and ozone depletion. World ethanol production for transport fuel tripled between 2000 and 2007 from 17 billion to more than 52 billion liters (13.7 This is mainly as a result of carbon releases from the soils and land.

Ozone 186
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North American Countries Target “Super” Greenhouse Gases Through Strengthened Ozone Treaty

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The US, Canada, and Mexico have submitted a proposal to strengthen climate protection under the Montreal Protocol— the international treaty that phases out the production of a number of substances responsible for ozone depletion. Uncontrolled growth of HFCs will offset the benefits of reducing carbon dioxide. C, says IGSD.

Ozone 170
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SCOPE Biofuels Project Releases Assessment on Environmental Effects of Biofuel Technologies

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A few studies also include other relevant impact indicators as acidification potential, eutrophication potential, ozone depletion potential and various toxicity potentials. More specifically, only one third of the studies define an alternative land use reference system and calculate the carbon stock. 2007) may not be robust. ”