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EIA: fuel economy improvements bring diminishing returns in fuel savings

Green Car Congress

Improving fuel economy exhibits diminishing returns in fuel savings, according to a brief analysis by the US Energy Information Administration (EIA). Similarly, the fuel and cost savings of improving fuel economy from 12 mpg to 15 mpg are the same as increasing from 30 mpg to 60 mpg.

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Jeep reveals 2022 Grand Cherokee plug-in hybrid, teases future tech for off-road brand

Green Car Reports

Although the brand didn’t yet reveal specs for electric range or fuel economy for the new plug-in, it plans to provide an official premiere for the model at the New York auto show next month.

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Ford lowers fuel economy ratings for hybrids, plug-in hybrids, and Fiestas; goodwill payments to buyers coming

Green Car Congress

Ford Motor Company is lowering the fuel economy ratings for its 2013- and 2014-model year hybrid and plug-in hybrid vehicles, as well as most 2014-model year Fiestas. Ford said it had identified an error with fuel economy ratings on the vehicles and notified the US Environmental Protection Agency (EPA).

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Enerpulse explains mechanism by which pulsed energy ignition plugs enhance fuel economy

Green Car Congress

Enerpulse Technologies said that it has further identified the underlying mechanism by which its its pulsed energy ignition technology improves fuel economy, reduces emission and delivers higher torque in spark ignited (SI) internal combustion (IC) engines. Earlier post.)

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EPA Trends on EVs and PHEVs; beginning of a “measurable and meaningful impact” on new vehicle fuel economy and emissions

Green Car Congress

With alternative fuel vehicles now approaching 1% of new vehicle production, however, they are in fact beginning to have a “ measurable and meaningful impact ” on overall new vehicle fuel economy and CO 2 emissions. In the analysis, EPA uses overall fuel economy in mpg equivalent (mpge) and tailpipe CO 2 emission values.

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GFEI report suggests $2T savings from fuel economy improvements in ICE vehicles through 2025 can help fund long-term transition to plug-ins

Green Car Congress

Increasingly efficient conventional combustion-engine vehicles will be key in moving towards a low carbon future, according to the GFEI. Far better fuel economy from cost-effective conventional technologies can keep fuel demand steady and save close to half the CO 2 emissions from cars by this date.

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Volvo extends S60 range with plug-in hybrid powertrain and new trim levels

Green Car Congress

The existing T5 turbocharged 250 hp gasoline unit has been joined by an all-wheel-drive T8 Twin Engine plug-in hybrid powertrain, combining a 303 hp gasoline engine with an 87 hp electric motor for a total output of 390 hp. Fuel economy (on the WLTP combined cycle) is up to 147 mpg US. The 0-62mph sprint takes just 4.6

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