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.
Some diesel fuels are just better for your engine than other diesel fuels are. 
Some are dirtier and affect your engine and your mileage. 
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