From PESWiki

SKEPTICS

Tony's Guide to Fuel saving gadgets

• Tony's Guide to Fuel saving gadgets - Professional of "10 years in the car industry" who has had extensive exposure to a wide berth claims, gives specific itemization of reasons why he thinks most all fuel additive and carburetor enhancement claims do not work as advertised. (PESWiki)

EPA on Fuel Saving Devices

• Federal Trade Commission Report on "Fuel-Saving" Devices Tested by the EPA - Lists products by category. Most do not perform as claimed. Some are illegal. Some provide modest improvement.

Other

• Do Fuel-Saving Gadgets Take You for a Ride? - Naysaying by Mainstreamers. Auto-industry officials and federal energy experts say most fuel-saving add-ons don't work. The Environmental Protection Agency and Federal Trade Commission have tested products that claim to boost fuel economy and found they generally don't improve vehicles' efficiency - and they sometimes actually harm performance and increase emissions. (Wall Street Journal; June 4, 2008)
  

• "A fool and his money are easily parted". - Retrofit Devices and Additives - If these devices work, why do the manufacturers not put them on their cars as standard?

• Looking For A Miracle - Popular Mechanics Magazine - Can copper tubing, cheap magnets and wacky gimmicks really boost your mileage by as much as 300 percent? PM's Mike Allen puts the latest MPG gadgets to the test.

• Examines magnetic fuel treatment - Skeptical Inquirer Magazine

• Discussion about sceptics - Sceptical of Sceptics

• Slick 50 (engine oil additives) - The Skeptic's Dictionary - See also reader comments about Slick 50 and other engine oil additives

See also

FUEL EFFICIENCY

• Directory:Fuel Efficiency - main index
• Fuel Efficient Vehicles
• News:Fuel Efficiency

FUEL TREATMENT TECHNOLOGIES

• Fuel Additives
• Directory:Alternative Fuels
• Directory:Fuel Pre-Heating for Mileage Improvement
• Hydrogen Injection
  • Directory:Hydroxy or HHO Injection Systems
  • PowerPedia:Hydroxy Generators for Fuel Efficiency
• Directory:Running Vehicles on Water
• Directory:Clean Fuel Conversions
• Directory:Spark Plugs
• Directory:Hypermiling -- Driving Tips for Better Mileage
• Directory:Boron Additive

ELECTRIC VEHICLES

• Directory:Electric Vehicles
• Directory:Electric Cars
• Directory:Electric Vehicle Recharging Stations
• Directory:Hybrid Vehicles
• Directory:Plug-In Hybrid Electric Vehicles -- PHEV
• Directory:Electric Bikes, Motorbikes and Scooters

VEHICLE HARDWARE MODIFICATIONS

• Retrofits
• Directory:Engines
• Directory:Air Cars
  • Directory:Ambient Air Engines
• Directory:Hydraulics
• Directory:Powertrains
• Directory:Transmissions
• Directory:Lubricants

AWARDS

• Automotive X Prize

LATEST FEATURE

• 
  Featured: Fuel Efficiency > Fuel Pre-Heating >
  Transonic Combustion's TSCi™ process boosts fuel efficiency by 50-75% - Transonic Combustion, a finalist in ARPA-E's Energy Innovation summit, has a proprietary process that involves a catalyst and bringing the fuel to the "supercritical state" prior to injection into the cylinders, so that no droplets remain, and essentially all the fuel is burned, not wasting any, while also reducing emissions. (PESWiki; March 9, 2010)