and that can be mostly eliminated with a CVT - unless it's programmed to op erate like a conventional box, thereby losing its advantages. Yes, car make rs are that something or other.
Pumping losses can also be eliminated other ways. Pumping losses are only o ne issue though, petrol can not operate anywhere near diesel's high compres sion ratio, crippling is efficiency. There are however new engine techs tha t do get the compression that high, so hopefully a future generation of pet rol will be a good deal more efficient, possibly obsoleting diesel cars.
NT