Quote:
Originally Posted by RingDing
Berlin,
I'm sure it has an effect, but the transition seems to smooth to be put down to just a change in fuel type. I'd expect a clearer step between mpg levels. Probably too complicated for a layman like me anyway!
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You've only got 4 samples in the middle there, looks *alot* like two different types of fuel to me.
Some nonsense about petrol volatility requirements in the EU.