There hasn't been significant combustion engine efficiency changes in a long time. My scrapbox from 2007 still goes 550 miles on a tank of diesel, about the same as my 1997 car did before it.
There hasn't been significant combustion engine efficiency changes in a long time. My scrapbox from 2007 still goes 550 miles on a tank of diesel, about the same as my 1997 car did before it.