Originally Posted by Socom
I've always wondered what politics were behind the decision to not follow Europe with regards to diesel fuel quality. Perhaps mu government wasn't willing to reduce its cut (ie tax) to offset the increased refining cost.
It isn't politics so much as need: most of the US isn't cold enough to require higher cetane to help while starting. And after the engine is started, cetane appears to have little or no effect on mileage or power.