Did 0bama really burn 9,000 gallons of jet fuel on Earth Day 2009?

April 22, 2009: Obama flies to and from Iowa, making two trips on Air Force One and four trips on Marine One, burning at least 9,000 gallons of fuel on the 895-mile cross-country excursion. The president makes the trip so he can plant a single tree and deliver a speech on the importance of using alternative energy.