The Alcohol Fuel Solution

The energy crisis has sparked renewed interest in an old idea: alcohol fuel.

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The NAHBEs internal modifications include the addition of a specially shaped cap (foreground) which is machined from an aluminum billet and then joined to a standard piston to bring it up to NAHBE specifications. The cylinder head (background) is also machined slightly to accept the new "taller" piston.
MOTHER EARTH NEWS STAFF