The comments at GCC are typical high-quality. I recommend going through them.
My favourite:
Quote:
So what they found can pretty much be described as
"It depends on the car model whether or not you won't get a mileage decrease. And no single blend fits the bill."
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On top of that, you can be sure that the co-sponsor American Coalition for Ethanol is acutely aware of the fact that it is next to impossible for the
average motorist to distinguish
any effect on their fuel economy (outside of normal tank to tank variation) by fuelling their vehicle with an ethanol blend.
In the LABORATORY they were able to discern a 1% and 3% improvement in the non-optimized vehicles. By its nature, fuel additive testing is really difficult to do outside of a lab.
Joe Public has no hope of discerning a change of that size over the course of a tank in real world conditions, never mind understanding the concept of wishful thinking and experimenter bias.
Yet ACE knows that if they can get media coverage, Joe Public is going to pick up on this story and go try it.
It's
almost as if they watched the whole acetone debacle and said, "hey we can do that too, but on a corporate scale!"