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DTF: Diesel dominates commercial truck, transit and school bus fleets in US

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of diesels on the road are 2007—meaning they are equipped with at least a diesel particulate filter. For gasoline vehicles that make up about a quarter of all commercial trucks (Class 3-8), more than half (57.5%) of those in operation are 2007 and newer model years. Washington D.C.

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Satellite study suggests California clean air regulations working to reduce PM2.5 emissions in state

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km-resolution MISR aerosol properties over Southern California for years 2001–2003, 2007–2009 and 2013–2015. LA=Los Angeles basin, CV=Central Valley, OC=Organic Carbon, EC=Elemental Carbon. Maps of 3-year averaged PM 2.5 sulfate, nitrate, OC and EC concentrations estimated using 4.4 Click to enlarge. Resources.

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Harmonizing Low Carbon Fuel Standards

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—Low Carbon Fuel Standard 2011 Program Review Report. The California LCFS regulation, which went in to effect on 15 April 2010, targets a reduction of the carbon intensity (CI), on a full-fuel lifecycle basis, of transportation fuels (measured in gCO 2 e/MJ) used in California by an average of 10% by the year 2020.

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Black carbon is a much larger cause of climate change than previously assessed; about twice previous estimates, and 2/3 the effect of CO2

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Schematic overview of the primary black-carbon emission sources and the processes that control. the distribution of black carbon in the atmosphere and determine its role in the climate system. Accounting for all of the ways black carbon can affect climate, it is believed to have a warming effect of about 1.1 Source: Bond et al.

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Omnitek Engineering selected for diesel-to-gas drayage truck conversion demo at Port of Seattle

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Omnitek Engineering has been selected by the Puget Sound Clean Air Agency for a pilot project to demonstrate its diesel-to-natural gas engine conversion technology for drayage trucks serving the Port of Seattle, Washington, in support of the Port’s Clean Truck Program. —Stephen Lambo, president of American Strategic Group.

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National Low Carbon Fuel Standard study releases major Technical Analysis and Policy Design reports; providing a scientific basis for policy decisions

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The National Low Carbon Fuel Standard (LCFS) Project has released two major reports that synthesize its findings from the past several years of work: a Technical Analysis Report (TAR) and Policy Design Recommendations. In the cap-and-trade debate [in Washington] there was no real template, it was political from the beginning.

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Renewable Energy Group to acquire Imperium Renewables

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including a 100-million gallon nameplate capacity biomass-based diesel refinery and deepwater port terminal at the Port of Grays Harbor, Washington. We already sell into these markets as they have responded to the call for more clean, advanced biofuels through low carbon fuel standards. Earlier post.).

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