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Deadline for comments on EPA fuel-economy rollback is Tuesday

Green Car Reports

Readers who want to make their voices heard in objection to (or support of) the EPA proposal to freeze fuel economy standards have until tomorrow to get their comments in. The EPA proposed in early August to undo Obama-era rules requiring cars to reach increasingly stringent fuel-economy targets through 2025.

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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.)

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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.)

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Report: EPA backs off plans to freeze fuel economy rules–slightly

Green Car Reports

EPA Administrator Andrew Wheeler announced Thursday that the agency will delay and revise its plan to freeze emissions and fuel-economy rules, which was expected to be released early this month.

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Stop/start to be standard with V-6 in Jeep Cherokee and I-4 in 2015 Chrysler 200; up to 3% better fuel economy

Green Car Congress

Chrysler Group is offering fuel-saving Engine Stop-Start (ESS) technology as standard equipment on certain models of the award-winning 2015 Jeep Cherokee mid-size SUV and 2015 Chrysler 200 mid-size sedan. ESS accounts for a one-mpg city-cycle fuel-economy gain in the Ram, the most fuel-efficient truck in its segment.

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Downspeeding and supercharging with transmission optimization can deliver fuel economy improvement over downspeeding and turbocharging

Green Car Congress

Researchers from Southwest Research Institute (SwRI) and Eaton have demonstrated the application of downspeeding and supercharging a diesel vehicle, in conjunction with optimizing transmission gear ratios and the shift schedule, to deliver a greater improvement in fuel economy than a downsped and turbocharged configuration.

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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

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. Silverado already leads the full-size truck segment in V8 fuel economy. V-8 and 8-speed automatic. l/100 km).

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