> An F150 consumes ~2 litres of fuel an hour at idle Where'd you get this number? AFAICT this is not true. https://www.google.com/search?q=how+much+gas+per+h

> An F150 consumes ~2 litres of fuel an hour at idle Where'd you get this number? AFAICT this is not true. https://www.google.com/search?q=how+much+gas+per+hour+idling&oq=how+much+gas+per+hour https://www.google.com/search?q=how+much+gas+per+hour+idling... More like a little less than 1 liter for a 4.6L V8 motor.