In April, proposed a gas tax holiday between Memorial Day - Labor Day period (also wants the US to cease buying oil for the Strategic Petroleum Reserve during that time). Supports a cap-and-trade system for greenhouse gases; plans to reveal a complete energy plan in the near future.

Wants to wean America of its dependence on foreign energy though measures that include strengthened CAFÉ standards, the creation of a National Low Carbon Fuel Standard (NLCFS), and the expanded uses of E85 and other renewable fuels. Supports a cap-and-trade system for greenhouse gases. Opposes McCain proposal for gas tax holiday. Plans to invest $150 billion over 10 years to spark research and development of renewable energy technology. Aims to reduce oil consumption by 3 million barrels per day by 2018.