Benchmark U.S. crude oil for June delivery rose 50 cents to $77.87 a barrel Friday. Brent crude for June delivery rose 56 cents to $81.66 a barrel.
Wholesale gasoline for May delivery rose 1 cent $2.60 a gallon. May heating oil was unchanged at $2.49 a gallon. May natural gas fell 2 cents to $2.23 per 1,000 cubic feet.
