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.
Dirty gas can affect the mileage of your vehicle. 
( z1 possible :ARG1 ( z2 affect :ARG0 ( z3 gas :ARG1-of ( z4 dirty ) ) :ARG1 ( z5 mileage :poss ( z6 vehicle :poss ( z7 you ) ) ) ) )