In general, the supply of electricity has not kept up with demand in recent years. Natural gas resources are available in North America.
Natural gas is also an important resource for agricultural purposes.
Crude oil prices have experienced similar supply and demand difficulties. Crude oil is refined for multiple uses such as automobile fuel and plastics. In response to increased demand, the United States has become more dependent on foreign imports. Across the country, motorists have faced higher prices at the gas pump. Prices for petroleum have modified slightly during the early part of 2001.