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The Hydro-4000 installs to any vehicle, and runs on water, it costs about $1200. But the creators say given the amount of money you already spend on gas, it wouldn’t take long before you made that money back.
“We estimate the average person would see savings in one year. With fuel prices going the way they are says David Havanich the creator of this new device.
A local TV station in Florida put the Hydro-4000 by installing it on one of their news vehicles to the test and claim it saved them 61% better than the gas mileage they were previously getting.
The company’s web site