Editing Automotive snake oil

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Many parts and products in the automotive aftermarket use exaggerated marketing claims to purport some sort of mechanical benefit that cannot be credibly verified. Although some "snake oil" automotive products may have legitimate limited benefits, they typically don't live up to their stated claims. Claims of increased horsepower or decreased fuel consumption are most common.

This page seeks to document those items which may qualify as automotive snake oil.

*[http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=160348181079 Turbo supercharger]
*Fuel line magnets.
*Fan-like spinning devices that increase turbulence in the intake air (Intake Twister, Tornado Fuel Saver).
*Fuel vaporizers/atomizers.

==To review==
*[http://www.epa.gov/oms/consumer/reports.htm Gas saving and emission reduction devices evaluation, from epa.gov]
*[http://www.carbibles.com/additives.html Oil additives]
*[http://www.popularmechanics.com/automotive/new_cars/1802932.html Automotive fuel saver test from Popular Mechanics]
*[http://www.ftc.gov/opa/2004/11/fuelsaver.shtm FTC seeks to shut down bogus "automotive fuel saver" operation]