The index that measures the dollar against six major currencies has an inverse effect on the price of commodities that are traded in U.S. dollars. A weaker dollar usually makes those commodities more attractive to foreign buyers.
On the New York Mercantile Exchange, light, sweet, West Texas Intermediate crude hit a peak of $106.72 per barrel, before settling at $106.10 per barrel. Home heating oil shed 0.5 cents to $3.26 per gallon. Reformulated gasoline shed 0.39 cents to $3.2591 per gallon.
Henry Hub natural gas prices gained 0.9 cents to $2.652 per million British thermal units.
At the pump, the national average price of unleaded gasoline climbed nine-tenths of a cent to $3.579 per gallon Wednesday from Tuesday's $3.57, AAA said.