Make the sentence fluent: These countries are unable to satisfy their energy needs with solely just based on the available avenues for energy sources currently.
The United States and the European Union is a major source of energy in the world.
The United States is the world's largest energy consumer and the world's largest exporter of oil and gas.
The United States is the world's largest exporter of oil and gas.
The United States is the world's largest exporter of oil and gas.
The United States is the world's largest exporter of oil and gas.
The United States is the world's largest exporter of oil and gas.
The United States is not the only country that has not yet reached the energy transition.
The United States has been the only country that has not reached the energy transition. The United States has not reached the energy transition.
The United States has not reached the energy transition.
The United States has not reached the energy transition.
The United States has not reached the energy transition.
The United States has not reached the energy transition.
The United States has not reached the energy transition.