A landmark 2009 study, conducted by researchers at Iowa State's Center for Agricultural and Rural Development, and updated this week for impacts through 2011, found that US ethanol production reduced wholesale gasoline prices by an average of $1.09 per gallon, in 2011.

JUNEAU, Alaska (AP) — Alaska Gov. Sean Parnell proposed a new way forward on a natural gas pipeline Thursday, saying if demand for gas has shifted from the Lower 48 to Pacific Rim markets, the state must be willing to move with it.

The old adage that oil and water don't mix is proving true in Nebraska, where hundreds of people filled a small town gymnasium to protest a proposed oil pipeline they fear could pollute a major U.S. drinking water source.

PRESIDENT Obama has promised to break the United States’ oil addiction and tackle global warming. With a decision he will make in coming days, he can do both, and help consumers cut gas costs as well.

The right decision would be to order automakers to reduce tailpipe emissions by 6 percent, steering the auto industry away from a century of gas guzzling and transforming it to compete in the world market. It would wean the nation from its oil habit.