Federal and state Governments spend billions of dollars each year for the purchase, development, management and transportation of energy resources. The Federal government also spends hundreds of billions of dollars in research grants and other incentives for the development of new and renewable energy resources, including the development of wind, solar, biofuel, ethanol, clean coal and othezr forms of alternative energy sources. In addition to billions in energy spending, the federal government earns billions of dollars in royalties for permitting private firms to explore for oil and gas reserves on federal government land and waters.