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Field study finds soot particles absorb significantly less sunlight than predicted by models; climate models may be overestimating warming by BC

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Still, scientists agree that black carbon in the atmosphere has a significant effect on global and regional climate, with earlier studies ranking the warming effects of black carbon particles second only to carbon dioxide gas.

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California Energy Commission adopts $100M investment plan for 2013-2014 for green vehicles and fuels

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The program funds projects to encourage the development and use of new technologies and alternative and renewable fuels, including electricity, natural gas, biomethane, hydrogen, and gasoline and diesel substitutes, such as cellulosic ethanol (derived from woody materials, including agricultural waste), and biodiesel from waste grease.

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California to award $23.6M for zero-emission drayage trucks at seaports; BYD, Kenworth, Peterbilt, Volvo

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The South Coast air district is teaming up with air districts in the Bay Area, Sacramento, San Diego and San Joaquin Valley to make the project a statewide demonstration of 43 zero-emission battery electric and plug-in hybrid drayage trucks built by the four manufacturers serving major California ports.

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