View Single Post
Old 21-02-2006, 11:37 AM
JohnA JohnA is offline
Senior Member
Join Date: Nov 2003
Posts: 352

Originally Posted by tawnybill
?n researching efficiency, it shocked me to find out that apparently 60% of the "total" energy in motor fuel is attributed to "engine loss and the majority is down the exhaust as HEAT!..
That's easy, every engineer knows that we only extract 30% of the chemical energy from petrol. Very inefficient. The mere existence of the cooling system is testament to that. (30% of engergy is dissipated through it alone)

Reply With Quote