The Hydro 4000 couldn't have come at a better time when gas prices are climbing sky high.

The device which is they say installs to any type of vehicle, although they have a Hydro 5000 for commercial trucks, runs on plain tap, distilled, mineral or spring water and promises to save you at least 30% on gas consumption.

The Hydro 4000 was featured on NBC Newschannel 5 and was put to the test. Some of the questions that were answered were the same ones you probably have about the Hydro 4000 and running your car on these water powered devices:

* Does it work?
* How much will it increase your mileage per gallon?
* Will the Hydro 4000 harm your vehicle?
* Can you remove it if you don't want it?

Hydro 4000 Alternatives

Now this device while it would be great, sadly it costs $1200. The developers promise that it will be well worth it, because you'll make huge savings on gas since you'll be able to increase your fuel efficiency.

But here's a secret...

These devices have been around for a bit now. You can actually make your own device like the Hydro 4000 using a hydrogen conversion kit which retails online for $49 - $97.

The instructions are simple to follow and the materials can be found at any hardware store for under $50. One of the websites where you can find a great conversion kit is

WaterFuelX.com