He said second-quarter production was 140,000 lower than what manufacturers had predicted at the beginning of the year.
The increase lifted second-quarter production to about 21 million barrels a day.
Stronger sales than expected led G.M. to step up second-quarter production from what it had projected.
Ford said it would cut second-quarter production by 1.2 percent but the company is increasing its production of cars.
General Motors is expected to raise second-quarter production.
The latest sign of economic trouble came from Ford, which said today that it would cut second-quarter production 17 percent.
This 6.8 million rate is going to force me to revise my estimate of second-quarter production downward.
Despite its February sales increase, G.M. said it would cut second-quarter production by 62,000 vehicles.
The shutdowns will reduce G.M.'s second-quarter production by 20,880 cars.
They'll also have to cut about 200,000 units out of their second-quarter production.