Cooling your home this summer will likely cost more than ever. Across the U.S., residential electricity bills are climbing fast, just as forecasters warn of another season of unrelenting heat.

INTI, a solar-powered car, was unveiled with a 25 mph top speed and a 70-mile range. The car, priced at $21,950, charges in two days of sunlight or five hours plugged in. Production is slated to begin ...

I recently came across a September 18 article by the “future technology” editor at The Wall Street Journal, “Solar-Powered Cars and Trucks Are Almost Here” (sorry, behind paywall, but your local ...