Quote:
Originally Posted by Piotrsko
The reason a lot of people buy it is because new low sulphur diesel buggers up engine components or they could make it for free OR in Cali it is a mandated smog reduce scheme.
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Fuel system components on older Diesel engines had a higher nickel content, which reacted with sulphur on fuel acting as some sort of lube. Small amounts of biodiesel up to 7% are usually pointed out as lubrication additive.