Trump’s Tariffs Would Reverse Decades of Integration Between U.S. and Mexico

Ties between the United States and Mexico have deepened over 30 years of free trade, creating both benefits and irritants.

Why Mergers of Carmakers Like Honda and Nissan Often Falter

The Japanese companies are considering joining forces to survive in a rapidly changing auto industry, but auto history is filled with troubled and failed marriages.

How Trump Could Upend Electric Car Sales

Fewer people will be able to afford electric cars and trucks if President-elect Donald J. Trump and Republicans in Congress eliminate a $7,500 federal tax credit.

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.

Tesla Q2 Earnings Report Reveals 45% Profit Drop Amid Weak E.V. Sales

The company led by Elon Musk is selling fewer electric cars, and its big bets on driverless taxis and artificial intelligence could take many years to pay off.