Arkansas May Have Vast Lithium Reserves, Researchers Say

Arkansas May Have Vast Lithium Reserves, Researchers Say

Federal and state researchers said there might be five million to 19 million tons of lithium, more than enough to meet the world’s demand for the battery ingredient.
Tesla Self-Driving System Will Be Investigated by Safety Agency

Tesla Self-Driving System Will Be Investigated by Safety Agency

The National Highway Transportation Safety Administration said it was looking into what Elon Musk’s electric car company called the full self-driving system.
Why GM’s Mary Barra Still Believes in EVs, Despite Slow Sales

Why GM’s Mary Barra Still Believes in EVs, Despite Slow Sales

Mary Barra, G.M.’s chief executive, said that the company had fixed battery-manufacturing problems and that its electric vehicles would soon be profitable.