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)
The United States makes up 5% of the world's population and accounts for 25% of total energy use.
Estimated energy demand is charted to grow by almost 50% in the next 20 years.
In 2007, about 58% of the petroleum consumed in the U.S. was imported from foreign countries--primarily Canada, Saudia Arabia, Venezuela, Mexico and Nigeria. (Source: EIA)
