Petroleum, ethanol groups trade blame for high gas prices A new study sponsored by the Renewable Fuels Association says ethanol is not to blame for the surge in fuel prices since the beginning of the year—a finding that the CEO of one petroleum group called "another breathless defense." The analysis by research firm Informa Economics looked into the role the Environmental Protection Agency's Renewable Identification Number system has in driving up gas prices. The RIN system is used to track whether fuel providers are complying with federal mandates for blending ethanol with motor fuel. The study found the RIN system had no demonstrable effect on the rise of gas prices,… Read More