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Study finds gasoline exhaust contributes more to formation of secondary organic aerosols than diesel

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Contrary to expectations, exhaust from gasoline vehicles contributes more to the production of secondary organic aerosols (SOA) than exhaust from diesel vehicles, according to a new study by scientists from the Cooperative Institute for Research in Environmental Sciences (CIRES), NOAA’s Earth System Research Laboratory (ESRL) and other colleagues.

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Comprehensive assessment concludes black carbon second-most important human emission in warming climate

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A comprehensive assessment of black-carbon climate forcing accepted for publication in the Journal of Geophysical Research: Atmospheres estimates that black carbon, with a total climate forcing of +1.1?W?m m -2 , is the second-most important human emission in terms of its climate-forcing in the present-day atmosphere.

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EEA finds only mixed progress for Europe’s transport sector in meeting environment, climate goals; GHG emissions up 25% since 1990

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Europe’s transport sector is making only mixed progress in meeting its environment, health and climate policy targets, according to the latest European Environment Agency (EEA) assessment which tracks the short and long-term environmental performance of this key economic sector across the European Union.

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Scripps research ship fueled by 100% NEXBTL renewable diesel for 1 year; emissions analysis

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Spearheaded by Scripps Associate Director Bruce Appelgate and co-led by Scripps atmospheric scientist Lynn Russell, the biofuel project investigated the viability of using hydrotreated renewable diesel fuel (HRD) on a long-term basis. In the process, the vessel used a total of 52,500 gallons of 100% renewable diesel.

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DHE begins piloting Volvo VNR Electric heavy-duty trucks in SoCal fleet

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In addition to zero tailpipe emissions, the Volvo VNR Electric trucks simplify maintenance and improve working conditions for drivers by offering state-of-the-art responsiveness, a quieter cab free of engine-related vibrations, and by eliminating exposure to diesel fuel and exhaust. Earlier post.).

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Hydrogen Is Coming to the Rescue

Cars That Think

In demonstrations, including one last summer at National Renewable Energy Lab facilities in Colorado, the truck proved capable of driving 290-kilometers, then taking on the roles of power plant, mobile command center, and (courtesy of the truck’s “exhaust”) supplier of clean drinking water.

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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. Earlier post.) million cars from the road.