The RX-7 has a separate 12-volt system that supplies power to all of the original 12-volt accessories, like the windows, wipers, heater, and lights.
According to Stan, the Mazda has a range of 50 miles, (depending on grade and conditions), and has been driven for over 500 miles on $11 worth of electricity.
The car is now charged by a bank of photovoltaic solar panels, and that "free" solar electricity sure is nice, with gas prices soaring through the roof.
