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New GM/Tula DSF cylinder deactivation technology could boost fuel efficiency in engines by up to 15%

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Comparison of DSF fuel economy gains and costs with competing technologies, from Tula’s 2013 SAE paper. In their 2013 SAE paper, the Tula engineers described two primary benefits from dynamic skip fire technology: Fuel economy improvement via removal of pumping losses and optimization of combustion. Wilcutts et al.

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GM and Honda to establish industry-first $85M joint fuel cell system manufacturing operation in Michigan

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General Motors and Honda are establishing the auto industry’s first manufacturing joint venture—Fuel Cell System Manufacturing, LLC, FCSM)—to mass-produce an advanced hydrogen fuel cell system that will be used in future products from each company. Earlier post.).

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