1 I don't know exactly but diesels engines are about 20% more efficient than equivalent sized gasoline engines because their compression ratioes are greater, about 20:1 verses about 9:1.
My cousin has a 3/4 ton that gets 20 on the road.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.