Estimated energy demand is charted to grow by almost 50% in the next 20 years.
The United States makes up 5% of the world's population and accounts for 25% of total energy use.
Appliances account for roughly 65% of electricity consumption in the average American household (2001), with refrigerators and lighting making up the largest categories. (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)
In 2007, renewable sources of energy accounted for about 7% of total U.S. energy consumption and 9.4% of electricity generation. (Source: EIA)
