DEF Platinum???
Has anybody been using DEF Platinum?
The manufacturer makes some pretty strong claims about how it is better for a vehicles emissions system and therefore worth double the cost of their standard product (which makes it about three times the cost of the bargain brand). It seems to me that it would be difficult to tell if its working better. A bit like Chevron fuel saying that it is better than whatever the grocery store has in their pumps, if they both get you there. Has anyone seen a measurable difference in fuel mileage, DEF consumption or anything else?
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