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Old 02-11-2022, 05:31 PM   #2 (permalink)
Human Environmentalist
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Join Date: Aug 2010
Location: Oregon
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Acura TSX - '06 Acura TSX
90 day: 24.19 mpg (US)

Lafawnda - '01 Honda CBR600 F4i
90 day: 47.32 mpg (US)

Big Yeller - '98 Dodge Ram 2500 base
90 day: 21.82 mpg (US)

Prius Plug-in - '12 Toyota Prius Plug-in
90 day: 57.64 mpg (US)

Mazda CX-5 - '17 Mazda CX-5 Touring
90 day: 21.74 mpg (US)

Chevy ZR-2 - '03 Chevrolet S10 ZR2
90 day: 17.14 mpg (US)
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While my memory may be faulty, I seem to recall MPG dropping 10% when E10 was introduced in my 1996 Subaru Legacy. I did no controlled tests though, so I would expect the actual decrease in MPG to be less.

There's no point in fuels with higher ethanol concentrations unless they have defined what problem is being solved, and how that solves it IN ADDITION TO engines being specifically tuned to operate with that ratio of ethanol.

Just because an engine can run on higher concentrations of ethanol doesn't mean it's a good idea.
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