Elon Musk

The Economics of Solar

SolarCity, which went public in 2012, is the largest and fastest-growing solar company in the world. Photo courtesy NASDAQ.

There’s a powerful force driving growth in the solar energy industry: affordability.

Three Big, Breaking Tesla Stories

Tesla's much-anticipated "D"—WTF?

Elon Musk teases "the D," announces a certified used-car program that could expand Tesla's market, and promises "something else" on Twitter.