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Carnegie study finds climate impact of particulates varies greatly depending on where the pollution originated

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However, while greenhouse gases cause warming by trapping heat in the atmosphere, some aerosols can have a cooling effect on the climate because the aerosol particles cause more of the sun’s light to be reflected away from the planet. Global and regional-mean temperature responses to identical aerosol emissions in different regions.

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Environmental groups sue San Diego Association of Governments over $214B Regional Transportation/Sustainable Communities plan; first regional plan under SB 375

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The Cleveland National Forest Foundation and the Center for Biological Diversity filed a lawsuit in the San Diego Superior Court against the San Diego Association of Governments (SANDAG), challenging SANDAG’s $214-billion 2050 Regional Transportation Plan/Sustainable Communities Strategy (2050 RTP/SCS). Click to enlarge.

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Study finds that California clean diesel programs have slashed black carbon, a powerful short-term contributor to global warming

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In California, reductions in emissions of black carbon since the late 1980s—mostly from diesel engines as a result of air quality programs—have resulted in a measurable reduction of concentrations of global warming pollutants in the atmosphere, according to a study examining the impact of black carbon on California’s climate.

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Oberon announces commercial availability of new rDME/propane blend

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This blend replaces some of propane’s fossil-derived fuel with a renewable one, enabling up to a 60% reduction in carbon emissions for this popular fuel used in vehicles, forklifts, farm equipment, backyard grills and outdoor heaters. Oberon Fuels’ pilot DME production plant in Brawley, California, 2 hours east of San Diego.

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FirstElement Fuel’s California hydrogen network receives $24M from Mitsui and Air Liquide; quadrupling its retail capacity

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This shows the critical role that California is playing in a global energy transformation, and it’s based on a business case that allows us to expand and drive down the price of hydrogen fuel, all with a road to profitability and sustainability. —Joel Ewanick, Founder & CEO of FirstElement Fuel Inc.

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Reducing Black Carbon Emissions and Ground-Level Ozone Would Provide Immediate Benefit Against Climate Change

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Reducing emissions of black carbon soot and ground-level ozone would quickly make a considerable dent in the climate change problem and would also contribute to public health and protect crop yields, according to an essay in the September/October issue of Foreign Affairs. Ramanathan. Wallack and Ramanathan. Earlier post.)

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Ford and Uber offer EV leasing pilot program to rideshare drivers

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The Ford Drive EV leasing program launched in California last week, specifically in San Diego, San Francisco, and Los Angeles. Uber encourages drivers to transition to electric vehicles because it aims to be a zero-emissions platform in North America and Europe by 2030.

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