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.
How Is the Economy for Black Voters? A Complex Question Takes Center Stage.

How Is the Economy for Black Voters? A Complex Question Takes Center Stage.

Donald J. Trump has been talking up his economic record for Black voters. The legacy of the last eight years is complicated.
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.