Fast forward fifty years to the United States of America 2058. Most of the cars and trucks run on natural gas, ethanol, or batteries, not gasoline or diesel fuel. Most of the nation's electricity is generated...
- by thousands of huge solar panels arrayed across the western states,
- by hundreds of nuclear power plants, and
- by thousands of windmills along a 400-mile wide corridor through the central states from North Dakota and Minnesota to Texas.