... <Usenetspam010@zierke.com> wrote: All the modern loco diesels are in the ballpark of 190 - 205 g/kWh. 1 lb/hph is equal to about 608 g/Kwh, so this is around a third of a pound of fuel per horsepower hour. Put another way: the specific calorific value of diesel fuel is 42.5 MJ/kg. This is 11.8 kWh/kg or 84.7 g/kWh. This gives an efficiency of around 41%% to 44%%. Matt Roberds