• Stop to go! Philly trains to recycle brake energy
    For years, subway cars have been able to recycle some of the energy created when they brake, turning that resistance into energy to help power the electric train or others running on the rails at the same time.
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Wash clothes in cold water. Most laundry soaps now offer cold-water alternatives. Consumers can save 90 percent of the energy used to wash clothes by switching to cold water.
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