Crude oil, taxes, refining, distribution and marking are the four main components that make up the retail price of a gallon of gasoline. (Source: EIA)
In 2007, renewable sources of energy accounted for about 7% of total U.S. energy consumption and 9.4% of electricity generation. (Source: EIA)
Public policies such as appliance and vehicle efficiency standards and building codes are responsible for at least 20% of the improvement in the US's energy intensity--energy use per unit of GDP. (Source: Institute for 21st Century Energy)