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Yes.

As a matter of fact, with some simple modifications (by a professional mechanic) a gasoline vehicle can run on pure hydrogen gas (mixed with fresh air from the engine's air intake, of course). However, this does not mean that the engine should not be tested and calibrated for efficiency and acceptable heat production and adequate cooling. It is also important to know how your vehicle's catalytic converter will handle the engine's exhaust gases and temperatures.

Modifications may possibly include:

  • Fuel injectors and fuel lines for pressurized gas instead of liquid fuel (like those found in propane or natural gas vehicles).
  • Higher-heat piston rings
  • Oxygen sensor calibration
  • Pressurized gas fuel gauge
  • Installation of pressurized gaseous fuel tank
  • Removal of gasoline fuel items

Please do not confuse hydrogen gas (H2) with "HHO" gas, also called "Brown's Gas" (which is actually a mixture 66.6% hydrogen and 33.3% oxygen mixed) as HHO is quite explosive when ignited. Hydrogen should never be stored mixed with oxygen in the same container (as no flammable gas should). However, given the proper mixture, and using a separate oxygen tank, the vehicle could enjoy the highest achievable efficiency, but the modifications for this would be extreme. This is only worthwhile if the oxygen is produced and gathered as a product of splitting water (H20) into hydrogen and oxygen gases.

*in this article, "gas" means a gaseous state of matter, not "gasoline"

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How many ml of petrol in a car?

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Related Questions

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Stop using petrol cars and start using electric cars!


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Automatic cars use a lot of petrol. That is why most people in countries with expensive petrol drive manual cars.


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