With a thermopower generator in your electric car, you will be able drive around without a fuel tank. Heat from the air will be converted to electricity to drive the motors. Never have to stop for gas!
This is very bad news for oil companies. And, oil producers. And, oil service companies. Oh, there will still be a need for oil: lubrication, plastics, etc. But, forget burning oil as a fuel. That's so 20th century!