Getting a charge out of wasted automobile heat (2012)
(nasa.gov)
Only about 25 percent of the energy in every gallon of gasoline you buy actually helps your vehicle to run. The rest is converted to heat, which is radiated uselessly off of your engine or blown out of your exhaust pipe.
Only about 25 percent of the energy in every gallon of gasoline you buy actually helps your vehicle to run. The rest is converted to heat, which is radiated uselessly off of your engine or blown out of your exhaust pipe.