How much mileage can HHO systems increase?

While the water-as-fuel claim is no longer rolling, HHO believers claim the systems can be used to boost mileage anywhere from 50 percent to more than 200 percent, as well as to reduce emissions. There are grains of truth in HHO systems — but does it actually work?

What kind of mileage does a hydrogen generator get?

A: Properly adjusted, your modified vapor-only fuel system will run cooler, and at a modestly higher power level. The mileage performance expected from this design ranges from 50-300 mpg (of water), depending on your adjusting skills and anywhere from 50% to no gasoline.

How are HHO systems used in commercial vehicles?

In 2007, the U.S. Department of Transportation issued a final report outlining the use of hydrogen fuel in commercial vehicles. The report stated the use of hydrogen injection systems, essentially an HHO system, could be used to increase mileage and reduce emissions in commercial diesel vehicles.

What can I add to my gas tank to increase mileage?

However, 10 gallons (37.9 L) of gas adds 60 pounds of weight. A half-full tank may increase your mileage. Add a synthetic oil additive to either natural or synthetic oil when getting your oil changed.

Do you have to buy parts to improve gas mileage?

If your goal is to save fuel for environmental reasons, and you don’t mind the cost, you probably don’t have to think too hard about purchasing the add-ons. But if saving fuel to save money is your primary goal, buying a thousand dollars worth of parts might not be the answer.

What happens if you drive less miles per gallon?

If you drive fewer miles each year, and if the per gallon savings are less, it will take more time to recover your expenses. On the other hand, if gas prices keep climbing upwards, you may see a return in less time.

How much mileage can HHO systems increase?