How to drive a turbo diesel car with manual transmission efficiently<br>Choose the right gas station to trial and stick with it for duration of the steps below. Not all diesel fuels are equal quality. Some are " dirtier " than others, and will negatively affect your mileage.
All diesel fuels are identical no matter what 
( z1 identical :ARG1 ( z2 fuel :mod ( z3 diesel ) :mod ( z4 all ) ) :ARG1-of ( z5 regardless :ARG2 ( z6 thing ) ) )