Business: Magnetic Miles

A cow's path to saving fuel motorists in the Northwest seem to have discovered a new way to milk a few more miles out of their Cougars, Firebirds and pickups: cow magnets, believe it or not.

These three-inch cylinders are implanted hi a heifer's stomach to at- tract bits of metal that the animal might swallow while eating; the magnet thereby protects the critter's heart and lungs from being punctured. When those same magnets are taped, with positive and negative poles together, on a car's fuel line, they slightly heat the gas so that the...

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