There are many different products in the automotive department that are supposed to instantly increase gas mileage in any vehicle. However Popular Mechanics recently tested 7 different fuel saving devices and found NO CONCLUSIVE EVIDENCE of any fuel savings realized.
To date, the EPA has tested around 100 different fuel savers and found only 12 to have even a slightly positive effect.
The piston engine has been around for around 100 years. Many brilliant minds have looked at every angle, every dimension, every possibility to squeeze a little more power out of our Detroit power-plants. That's not to say improvement is impossible, its just not going to come in the way of a plastic part found on Ebay for $3. The best way to guarantee good fuel efficiency in any vehicle is pretty simple.
1. Check to make sure the air pressure is at the manufacturer's recommended level.
2. Make sure the wheels are balanced and the frame is straight. Any wobbles should be fixed.
3. Get the oil changed every 3,000 miles. Synthetic/non-synthetic does not matter.
4. Routine check-ups every year after the car has passed 75,000 miles.
5. Make sure air filter/fuel filter are clean and coolant is at appropriate level.
that's amazing that only twelve out of a hundred ways to save gas somewhat worked.. I wouldn't be surprised if the gas companies would be trying to find ways to undermine ways that would help in not haveing to use so much gas..
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