-> I heard that reccomended 20 years ago... but now manufacurers seem fussy
-> obout alcohol in the fuel

 Except for very old cars that is NOT so. The modern car must be
capable or running satisfactory on a 90/10 Gasoline-Alcohol mix becasue
of some of the States have Smog laws requiring Alcohol. THANKS to the
Political Lobbying of the Corn Growers in the mid west.:-(  :-(
 The problem with the very old cars is that the Gaskets in the Fuel
system might not be Alcohol Compatable.
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