"I really don't understand the whole cars are in league with big oil." I don't know if car manufacturers are in league with big oil per se, but I have heard it

"I really don't understand the whole cars are in league with big oil." I don't know if car manufacturers are in league with big oil per se, but I have heard it argued convincingly that the repair and maintenance costs that are implied by the IC engine and its infrastructure in the car are a huge source of revenue for the entire auto ecosystem, and they just cannot give that up.