5 of 10: ROMNEY: "The proof of whether a strategy is working or not is what the price is that you're paying at the pump. If you're paying less than you paid a year or two ago, why, then, the strategy is working. But you're paying more. When the president took office, the price of gasoline here in Nassau County was about $1.86 a gallon. Now, it's $4 a gallon. The price of electricity is up. If the president's energy policies are working, you're going to see the cost of energy come down."

THE FACTS: According to The Associated Press, Presidents have almost no effect on energy prices; most are set on financial exchanges around the world. When Obama took office, the world was in the grip of a financial crisis and crude prices - and gasoline prices along with them - had plummeted because world demand had collapsed. Crude oil prices have since risen even as U.S. oil production has soared in recent years because global demand is reaching new heights as the developing economies of Asia use more oil.

Other energy prices have fallen during Obama's term. Electricity prices, when adjusted for inflation, are down, and homeowners are finding it much cheaper to heat their homes with natural gas. That's because natural gas production has surged, reducing prices both for homeowners and for utilities that burn gas to generate electricity. ( Photo)

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