A Lawn Mower That Gets Its Power From The Sun

Solar-powered mowers are about to get their day in the sun. Inventor Anthony Paytas says his Solar I prototype can cut a 21-inch swath through foot-high grass and would cost about $600. That's more expensive than the average gasoline model. But with no need for fuel, tune-ups, and oil changes, operating costs are lower. It takes up to three days for the mower's 3.4 square feet of solar panels to charge the battery for two hours of cutting. But the mower can be charged from a wall socket.

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