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UMTRI: average new vehicle fuel economy in US in May was 25.6 mpg

The average fuel economy (window-sticker value) of new vehicles sold in the US in May was 25.6 mpg (9.19 l/100 km), up 0.4 mpg from the value for April, according to the monthly report from Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). This increase likely reflects the continuing high price of gasoline, they suggested.

Vehicle fuel economy is up 5.5 mpg since October 2007 (the first month of their monitoring).

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The University of Michigan Eco-Driving Index (EDI)—an index that estimates the average monthly emissions of greenhouse gases generated by an individual U.S. driver—stood at 0.78 in March (the lower the value the better). This value indicates that the average new-vehicle buyer produced 22% lower emissions in March than in October 2007. The EDI takes into account both vehicle fuel economy and distance driven (the latter relying on data that are published with a two-month lag).

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At the going rate of about +0.83 more mpg per year it will take about 24 years to go from 20 mpg to 40 mpg and another 17 years to go to 54 mpg and another 55 to reach 100 mpg or a total of 92 years to go from 20 mpg to 100 mpg.

In other words, the Toyota Prius III (2015) is about 37 years ahead of the pack.

Most PHEVs and BEVs (and FCEVs?) are already about 92 years ahead of the game.


A near 1 mpg/year gain is MASSIVELY above the same 20 mpg or worse for 100 years.

What EV deniers don't admit, is that ICE would continue/always achieve around 20 mpg without hybrids at 50 mpg and EVs at 100+ mpge EPA car window stickers mocking pure ICE mpg obsolescence.


My car's lifetime average is 104.5 MPG as of today.


You're the living proof that 100+ mpg cars could already be the standard, not 25 mpg.

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