Energy: Proof It Works

Alcoholic driving in Brazil

The spurting price of oil has prompted both scientists and backyard tinkerers to try tapping alternative forms of energy, ranging from sun power to geyser power. Not waiting for these exotic energies to arrive, Brazil is making an all-out effort to exploit a quite ordinary, but until now underused, power source: alcohol distilled mainly from its bumper crops of sugar cane. Already, 230,000 of the automobiles moving along Brazil's roads are powered by pure alcohol instead of gasoline. By 1982, Brazil hopes to have produced at least 1 million alcomobiles. Except for a few minor engine alterations, the...

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