Power plants are more efficient than engines crammed within the trunk of a car. They have no limitations in space and weight and so you can do fancy things like

Power plants are more efficient than engines crammed within the trunk of a car. They have no limitations in space and weight and so you can do fancy things like heat recovery (you use the exhaust to pre-heat your fuel mix or reuse said heat for nearby industries), always have the combustion chamber at the best temperature for efficiency, ... . Plus, you can install much better filtration systems for combustion byproducts. All in all, if everyone would transition to an EV you would see a noticeable drop in oil consumption thanks to the mentioned benefits. EDIT: From a quick Google search I saw that: - The lower end efficiency for oil and coal power plants is 37%. Gas power plants achieve 56% on the lower end according to [1]. - Car engines vary between 20% (gasoline) and 40% (diesel) efficiency according to [2] [1] https://en.wikipedia.org/wiki/Fossil_fuel_power_station#:~:text=Typical%20thermal%20efficiency%20for%20utility,%2Dcycle%20gas%2Dfired%20plants https://en.wikipedia.org/wiki/Fossil_fuel_power_station#:~:t.... [2] https://rentar.com/efficient-engines-thermodynamics-combustion-efficiency/ https://rentar.com/efficient-engines-thermodynamics-combusti...