I don’t understand why we don’t use more diesel technology.
I have a diesel pickup that dynos 450RWHP (after some mods), weighs 6,500 pounds, runs a 1/4 in 13 seconds and gets 25-26MPG (empty) on the highway.
There is no reason a 4 cylinder turbo diesel sedan couldn’t get 50-60MPG. You can make biodiesel from about anything from peanuts to algae poop.
Ridiculous emissions standrads are killing diesel, hence us.