Extract from an article by Tom Lochner published by the Contra Costa Times on 27 May 2014
MARTINEZ — The Shell Martinez petroleum refinery, saying it wants to strike a blow against global warming while improving efficiency, seeks approval to process a lighter mix of crude oils and permanently shut down one of two coker units. Starting in 2015, and continuing in phases over several years, Shell would construct a variety of processing equipment, including new heat exchangers to reduce energy use, and thus emit less pollution and greenhouse gases, according to a land use permit application on file with Contra Costa County.
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