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Question:

In the future, will hydrogen fuel cell and electric vehicles coexist?

Eventually, you will be able to receive a 1 month hydrogen supply for your HFCV in the mailbox. Eventually, all electric cars will get their energy from solar panels.

Answer:

Hydrogen cars are a type of electric car when the hydrogen is supplied to a fuel cell. The full name is then a hydrogen fuel cell electric car. Fuel cells produce electricity and this can only be used in an electric car. The real question is will be be continuing to produce electricity for electric cars on the vehicle as with solar cars, fuel cell cars or series hybrid electric vehicles. Will electricity be stored on the vehicles as with battery electric vehicles, flywheel vehicles or ultra-capacitor vehicles. Or will we be transmitting electricity to electric vehicles with overhead wires or through electrified roadways? There are many problems for hydrogen to overcome before it is economical, energy efficient or even practical, but petrochemical companies would love to see hydrogen cars as they can make the public believe that they have clean vehicles, avoid the competition with grid powered vehicles and continue to make 96% of the world's hydrogen using fossil fuels. Overall pollution would essentially remain the same. It may even be more polluting depending upon the methods used to manufacture hydrogen.
Highly unlikely. Unless you live in a 365 day sunlight environment, the solar panel car is (literally) a non starter. It would need backup systems - either batteries (charged from high CO2 sources), or a petrol motor. The fuel cell is the only way forward. Solar cell / battery technology in my view are technological dead ends for powering vehicles.

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