Choose from options: Determine if the sentence is true based on the text below:
All diesel fuels are identical in quality 

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.
OPTIONS:
(I). Yes.
(II). It's impossible to say.
(III). No.