The vote by workers at General Motors, Ford and Stellantis came as the United Auto Workers union seeks big raises and other gains in contract talks with the three automakers.
The United Auto Workers leader vowed to be tougher than his predecessors in contract talks. His initial demands attach big numbers to that promise.
The automaker made more money on trucks and sport utility vehicles but reported bigger losses on electric vehicles.
The company is earning big profits on gasoline cars and trucks but is struggling to catch up to Tesla in the fastest-growing segment of the auto market.
Sales of electric vehicles have slowed recently partly because prices of some models like the F-150 Lightning had risen a lot.
The U.A.W., with a more confrontational leader, aims to win back wage and benefit concessions and insulate jobs from the rise of electric vehicles.
The automaker saw a big jump in deliveries of pickup trucks as demand from consumers and businesses remained strong.
The biggest U.S. automaker sold more trucks and sport-utility vehicles as supply chain problems eased and demand remained strong.
The company bought a shuttered General Motors plant in Ohio but struggled to produce its pickup truck.
The automakers paid the federal government for falling short of efficiency standards for cars and trucks in recent years.