President Barack Obama speaks about a plan to lift a more than 20-year executive ban on offshore oil drilling to help reduce America’s dependence on foreign oil as two Marines and a mix of service members and honorary guests look on in Hanger 3 at Joint Base Andrews, Md., March 31, 2010. He also discussed the use of bio fuels as an alternative fuel and that the Air Force is currently running tests on jet engines and achieved a successful bio fuel flight last week. (U.S. Air Force photo by Airman 1st Class Kat Lynn Justen)