West Texas Intermediate crude oil for June delivery gave up $1.28 per barrel to $95.73 overnight, as traders expect the Energy Information Administration to announce a supply build up in an afternoon report.
Natural gas added 5.2 cents to $2.444 per million British thermal units on an EIA prediction that demand would increase 5 percent from 2011 to 2012.
Home heating oil lost 1.41 cents to $2.976 per gallon on expectations of a slight supply increase.
Reformulated blendstock lost 0.22 cents to $2.9922 per gallon.
At the pump, the national average price of unleaded gasoline dropped from Tuesday's $3.763 per gallon to $3.75, AAA said.
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