Run Your Car On Hydrogen Fuel

Published by Sarah Staar in Science, 2 months 2 weeks 2 days 9 hours 58 minutes 52 seconds ago

You may have heard of hydrogen powered cars before, but generally when they are referred to people think of "fuel cell" vehicles prototyped by different car manufacturers. There is another type of hydrogen powered vehicle, one that uses hydrogen not as a primary fuel, but supplementally. In fact, anyone can convert their existing car to run on the hydrogen/gas/oxygen mix, at a low cost.

Now when I say hydrogen, I am referring to HHO or Brown's gas specifically. This is a clean burning, highly explosive fuel whose exhaust is only water vapor! When retrofitted onto a gas-powered vehicle it produces fuel on demand from the water itself, as opposed to having a cell that needs to be filled with pure hydrogen. This eliminates the high cost of the storage medium, which is difficult to produce and made up of exotic materials. In fact, all the materials you'll need to produce your HHO unit can be purchased for less than 50 dollars at your local hardware store!

Water is made up of two hydrogen atoms and one oxygen atom. To separate the molecule into its constituent parts so that it can be burned, you will need to electrolyze the water. There are an unlimited number of designs you can use to achieve this goal, but the principle is always the same. Two metal plates are positioned very close together, roughly 2mm apart. An electric current is passed between the plates, one positive, and one negative. When electricity is introduced, the water between the plates "splits" into its constituent parts and bubbles up as gas.

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Stainless steel must always be used within the generator to avoid corrosion. An electrolyte such as baking soda may be added to the water to increase its conductivity, and therefore the amount of hydrogen being produced. Electricity from your car's battery is what powers this process, and the switch is wired through the ignition as a safety feature. Well now that you've got some hydrogen being produced, how are you supposed to use it? Quite simply, (after a flashback arrestor and bubbler are added for safety) all you do is run a tube from the output of the HHO cell, directly into your intake manifold! The gas will mix with the air being sucked into the engine, adding more power to the explosive fuel/air mixture inside your cylinder. Emissions, power, and gas mileage are all increased, provided you take the necessary steps.

Some things to consider before you get started; HHO is extremely powerful and fairly volatile, and as such the utmost care must be taken to ensure the safety of those working on the project. Do as much research as you can before making your prototype and heed the warnings! Do not use material for your cell construction that will fragment and turn into a grenade if it does happen to explode, such as a glass jar. Additionally, most cars have 1 or more oxygen sensors that test the intake air for oxygen levels, so that the vehicle knows how much fuel to inject into the engine. If you introduce additional oxygen into your intake and it is sensed by your car, your car's computer inject more gasoline to keep the fuel to air ratio correct. This will likely negate any increase in mileage, but can be remedied with a small electronic part that you can wire in between your sensor and your ECU which allows for the adjustment of the oxygen sensor's output. Adjustments will probably be necessary.

Hopefully you will now be encouraged to experiment for yourself. I believe you will find that it is quite a bit easier than you imagined to run your car on hydrogen fuel. Now get to the hardware store!

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