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Scientists have discovered a way to reduce vehicle sulfur emissions.  trucks-001Sulfur compounds in fuels such as gasoline and diesel create air pollution when the fuel is burned. To address that challenge, large-scale oil refinery processes remove the majority of sulfur from fuel down to a government-mandated level. The new technique, however, has the potential to reduce sulfur down to a fraction of that amount, which would further reduce air pollution and extend the lifetime of vehicles’ catalytic converters, which control tailpipe emissions.  The results, from a team led by Caltech and BP, and in collaboration with researchers at UCLA, ETH Zürich, and China’s Nanjing University, are described in a new study published online February 17 in the journal Nature Energy.

From Caltech  Photo Credit John Vlahakis

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