Conversion Downsizing EPA MPG 
Green Car Congress
JULY 11, 2017
The combined National Highway Traffic Safety Administration (NHTSA) / US Environmental Protection Agency (EPA) fuel economy and greenhouse gas standards for light duty vehicles require an estimated combined average fuel economy of 34.1 mpg in model year 2025—equating to 54.5 miles per gallon in model year 2016, and 49.1
Green Car Congress
JUNE 25, 2012
Testing at Environmental Solutions Worldwide Americas (ESWA), an EPA-certified vehicle laboratory, showed a 21.2% XLH engineers have already designed the next-generation release, in which the battery pack is downsized to 1.5 OEMs can get higher mpg improvements by using different architectures. The XL Hybrids system in place.
Green Car Congress
SEPTEMBER 21, 2009
On 15 Sep, NHTSA and the US EPA proposed a joint rulemaking on fuel economy and greenhouse gas emissions for light duty vehicles: an average new car 34.1 mpg and 250 g CO 2 /km for model year 2016. The 250 g/mile of CO 2 equivalent emissions limit by EPA is equivalent to 35.5 Data: Preliminary Regulatory Impact Analysis.
Tony Karrer Delicious EVdriven
APRIL 21, 2009
Several after-market companies have done PHEV conversions of the Ford Escape hybrid and one has done a retrofit of the F-150 pickup -- see Where PHEVs Are and ICE-Conversions.) That said, the interest in conversions continues to validate hybrid technology as a core technology thats here to stay.
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