Power resources - United States.

Energy = supplies, sustainability, and costs / by: (書目-電子資源)

Green alternatives and national energy strategy = the facts behind the headlines / by: (書目-電子資源)

Alternative energy by: (書目-電子資源)

Coal reserves.

Natural gas reserves.

Fossil fuels.

Power resources- United States.

Natural gas.

Petroleum reserves.

Energy consumption- United States

Energy conservation.

Nuclear energy.

Coal.

Electric power.

Petroleum.

Fossil fuels- Environmental aspects- United States.

Energy policy- United States.

Uranium as fuel.

Energy resources development- United States.

Renewable energy sources- United States.

Renewable energy sources.