Claim: Says excessive speculation is pushing up oil prices and a recent report estimates it "adds 56 cents to every gallon of gasoline siphoned from the pump."
Fact-check: Sherrod Brown says excessive oil speculation is driving gas prices, perhaps by 56 cents a gallon
Verdict: mostly-true
Organisation: PolitiFact
Author: Peter Krouse
Date published: 2012-05-02T00:00:00