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# How much hydrogen is needed to run a car engine?

Updated: 4/28/2022

Wiki User

14y ago

hydrogen has three times the potential energy of gas, but it has four times the volume. It would take less hydrogen by weight but it would take more by volume to run a car

Wiki User

14y ago

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Q: How much hydrogen is needed to run a car engine?
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### How much hydrogen does it take to drive a car?

The amount of hydrogen needed to drive a hydrogen fuel cell car varies based on the car model and its fuel efficiency. On average, a hydrogen fuel cell car may require around 1 to 1.5 kilograms of hydrogen per 100 kilometers.

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### Is it possible to run a car on water?

no. But they are working on it. They are developing a process to separate the hydrogen from H2O. An engine can run on hydrogen.

### How small engine needed before license needed?

engine on wat? car? bike? anything classed as a car/bike, you need a licence to drive it on a public road :D

### How can you make your car run on water?

You can make a car run on water if you diffuse oxygen and hydrogen and use hydrogen in your internal combustion engine!But then it is not running on water which was the question. It is running on Hydrogen. So the answer is still NO, you cannot run a car on water.

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In a car, a transmission system is needed because the engine does not make enough torque to make the car move.

### How much energy does a car engine have?

A car engine is technically a heat engine that has no energy of its own but it converts the chemical energy in the fuels into heat and then into kinetic energy by turning a rotating shaft. The chemicals that react to make the engine work consists of carbon and hydrogen from the gasoline in the fuel tank, and oxygen taken from the atmosphere. The carbon reacts with oxygen to produce carbon dioxide and heat, while the hydrogen reacts with oxygen to produce water and heat.

### How much can a car engine can travel a distance in its life?

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### What is the size of a 2.2 liter car engine?

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### Will a car run with out the starter in it?

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