Not be negative, just a realist. I mean, you cannot beat the laws of physics, even if it is Newtonian physics. Look at computer processing power. We are at the highest oscillation rate that a silicon processor can handle without melting down. How are we making them faster, just throwing more transistors on the wafer. The metal inside the ICE can handle about 1,400 degrees F before the metals we are using fail. That was the whole point of ceramic engines, so they could run hotter and completely burn the fuel to reduce emissions. Like I said about the superconductor, they might figure it out but it would be impracticable to make. Remember, they got the superconductor to work only if it's temp is kept very cold. Impracticable for the everyday use. Also, remember, electric cars are heavier than ICE cars. The curb weight of the Hummer EV is a little over 9,000 lbs. while the weight of a 3/4 ton truck comes in at 6,000 lbs.
The heavier vehicles cause more wear on the road surface which causes more resurfacing of the roadways which uses more oil to resurface asphalt roads. Both in the machinery to resurface the roads and the bitumen used in the roads. Sorry for being a downer.