While that's possible, what you'll be able to accomplish with rooftop solar depends a lot on two rather unglamorous technicalities: The size and weight of the panels you can fit on your roof.

The Lightyear One is powered by the sun using 54 square feet of solar panels covering the roof and hood. And Lightyear's 29-year-old CEO thinks his car can change the electric car market.

From there, you can size your Solar Roof to meet your energy needs by estimating how much it will produce give your available sunlight. What is the difference from Tesla solar panels? The biggest ...

The solar panel used by Toyota is reportedly made by Kyocera and is used to power the car's climate control (including ... solar panels for the Prius roof since 1994. The panel can generate ...