QUOTE(psycho2003 @ Jun 5 2008, 07:54 AM)
Now, I'm not defending this site becuase I would bet everything I have that its a scam... but when you talk about the manufacturere and thier R&D... they can better improve the gas mililage in all vehicles but the cost of doing it all and making these new engines is more than they want to put out... so SOME things out there are better for your car because someone would acually take out the time and money to care about the normal consumer. But there will never be a "pill" or fuel additive that woudl increase you car's gas consumption.
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that is simply ridiculous and wrong.
the car makers HAVE to comply to CAFE standards. they have NO choice.
if they dont, they get hit with HUGE penalties.
the automakers spend millions (and indeed billions) on cars. They do make some compromises during the engineering stages, obviously, but rest assured they are trying to get every last MPG out of their cars.
if a 19 dollar piece of junk added 10% to the mileage without any compromises, it WOULD be on the car.