Carmakers say new models should also help lift the industry in 2021, after a 15 percent decline in its slowest year since it recovered from the Great Recession.
Shareholders of the two companies voted to join forces in an effort to cope with a major technology shift and plummeting sales.
Investors are betting that small companies like Workhorse will help popularize electric commercial vehicles. And Tesla aims to extend its reach.
The chairman of Ford Motor and the great-grandson of Henry Ford is an elder statesman in an industry where C.E.O.s come and go.
Struggling energy companies are increasing the production of renewable diesel, which can reduce greenhouse gas emissions.
A new agreement, supplying hydrogen fuel cell technology from General Motors, is less sweeping than the strategic partnership outlined in September.
General Motors said it would no longer back President Trump’s effort to strip California of the power to set fuel economy standards.
General Motors says it will increase its investment and model offerings over the next five years “to expedite the transition to E.V.s.”
The fuel could play an important role in fighting climate change, but it has been slow to gain traction because of high costs.
A scandal led to a $2.9 billion trust fund for states to put cleaner vehicles on their roads. A lot of the money has gone to more diesel vehicles.