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California ARB awards $7M for ultra-low NOx heavy-duty diesel truck demo project with Achates opposed-piston engines

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The project is part of CARB’s Low Carbon Transportation and Fuels Investments and Air Quality Improvement Program. Achates Power, founded in 2004, currently has a number of development projects underway spanning a variety of applications of its opposed-piston engine architecture, from light-to-heavy duty. Earlier post.).

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UN Review of Recent Climate Research Concludes That Impacts Of Climate Change Coming Faster Than Anticipated

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Significant climate anomalies 2008/2009. Source: Climate Change Compendium. Ocean acidification caused by the absorption of carbon dioxide in seawater is already increasing along the California coast decades earlier than existing models predict. Click to enlarge. Earlier post.). Earlier post.).

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Devil in the Details: World Leaders Scramble To Salvage and Shape Copenhagens UNFCCC Climate Summit

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The 15 th Congress, also known as the 15 th Conference of Parties, or COP 15, was initially intended to be a largely procedural summit, with many major negotiating points settled and most environmental ministers prepared to sign a binding emissions treaty that contained specific emissions targets as well as commitments to financing structures.

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Mexico proposes new heavy-duty vehicle emission standards aligned with Euro VI and EPA 2010

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Mexico’s Secretariat of Environment and Natural Resources (SEMARNAT) has proposed new heavy-duty vehicle emissions standards, aligned with current standards in place in the rest of North America and in the European Union. The current limit values in Mexico are equivalent to Euro IV or EPA 2004 standards. emissions in urban areas.

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Peking University team develops method for modeling historical global black carbon emissions from motor vehicles with reduced uncertainty

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Researchers at Peking University have developed a new methodology to model black carbon (BC) emissions from diesel and gasoline motor vehicles. Black carbon is a key short-lived climate change forcer ( earlier post ) and motor vehicles are important sources of BC in the environment. Credit: ACS, Wang et al. Streets, D.

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Study Highlights the Importance of Considering Climate Effects of Non-CO2 Emissions from Transport in Mitigation Strategies and Policies

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The study by Nadine Unger, Drew Shindell and James Wang will appear in an upcoming issue of the journal Atmospheric Environment. The study applied the NASA Goddard Institute for Space Studies (GISS) model for Physical Understanding of Composition-Climate INteractions and Impacts (G-PUCCINI). Unger et al. Click to enlarge. Unger et al.

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Measurements of CO2 and CO in China’s Air Indicate Sharply Improved Combustion Efficiency

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The findings, published in the 21 September issue of Atmospheric Chemistry and Physics , are generally consistent with official Chinese government statistics and could bolster their credibility as international negotiations proceed on commitments of China and other nations to combat climate change. Munger, J. McElroy, M. Nielsen, C.

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