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CMU-led study finds that when Uber and Lyft enter cities, vehicle ownership increases

Green Car Congress

The study found no statistically significant average effect of TNC entry on fuel economy or transit use but did find evidence of heterogeneity in these effects across urban areas, including larger transit ridership reductions after TNC entry in areas with higher income and more childless households. Ward et al. Ward et al.

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ORNL-developed ACMZ aluminum alloy promises better fuel economy

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Researchers at ORNL, in partnership with FCA US and Nemak USA, have developed a new suite of aluminum-based alloys that could give automakers a boost in achieving ambitious fuel economy goals. Earlier post.) Testing continues with FCA and Nemak to evaluate the alloy’s durability in engine applications.

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ORNL-developed ACMZ aluminum alloy promises better fuel economy

Green Car Congress

Researchers at ORNL, in partnership with FCA US and Nemak USA, have developed a new suite of aluminum-based alloys that could give automakers a boost in achieving ambitious fuel economy goals. Earlier post.) Testing continues with FCA and Nemak to evaluate the alloy’s durability in engine applications.

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Chevrolet to offer small number of 2016 Silverados pickups with e-Assist mild-hybrid technology; 13% better city cycle fuel economy

Green Car Congress

Based on feedback from these initial customers, Chevrolet may adjust production for 2017 model year. As a result, Chevrolet can deliver a low-volume, affordably priced hybrid pickup that delivers uncompromised capability and up to 13% better fuel economy in city driving. V-8 and 8-speed automatic. l/100 km).

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EPA: GHG emissions standards for cars and light trucks should be revised; joint process with NHTSA (updated with more reactions)

Green Car Congress

Administrator Pruitt also announced the start of a joint process with the National Highway Traffic Safety Administration (NHTSA) to develop a notice and comment rulemaking to set revised GHG emissions standards and Corporate Average Fuel Economy (CAFE) standards. The Obama Administration’s determination was wrong.

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Chevy Volt hits 100,000 mark in US sales; almost 1.5B all-electric miles

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Based on an average new car fuel economy of 25.3 mpg, Volt drivers have saved nearly 58 million gallons of fuel. The second-generation Volt improves on the pioneering work of the original, adding additional electric-only range, improved fuel economy of 106 mpg-e and 42 mpg, and a chassis that is lighter than the original.

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Achates Power and Aramco Services Company partner on opposed-piston engine projects; Opposed-Piston Gasoline Compression Ignition (OPGCI)

Green Car Congress

GCI could therefore be a best-of-both-worlds engine technology: combining the fuel efficiency of diesel engines with the low NO x and soot-particle emissions of gasoline. At NAIAS 2017, Achates Power announced it was developing a 2.7-liter, 2017) “Ignition studies of two low-octane gasolines.” liter, 3-cylinder (i.e.,

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