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A hydrogen on demand vehicle uses a chemical reaction to produce hydrogen from water. The hydrogen is then burned in an internal combustion engine or used in a fuel cell to generate electricity which powers the vehicle. These designs take energy from the chemical that reacts with water; vehicles of this type are not precluded by the laws of nature.
That's the hydrogen fuel-cell vehicle, related to an EV but with specific differences that make hydrogen cars different and much rarer. To date, about 2.5 million EVs have been sold in the U.S.
Servicing a Hydrogen Car. Like electric cars, hydrogen vehicles require dealership service centers to exercise some special precautions. HFCVs have the same high-voltage battery packs as a hybrid ...
The water fuel cell is a non-functional design for a "perpetual motion machine" created by Stanley Allen Meyer (August 24, 1940 – March 20, 1998). Meyer claimed that a car retrofitted with the device could use water as fuel instead of gasoline. Meyer's claims about his "Water Fuel Cell" and the car that it powered were found to be fraudulent ...
Worldwide, there were 14.8 million natural gas vehicles by the end of 2011, mostly in the form of bi-fuel vehicles. [175] The other use for natural gas is in steam reforming which is the common way to produce hydrogen gas for use in electric cars with fuel cells. [8] Methane is also an alternative rocket fuel. [176]
Alset GmbH developed a hybrid hydrogen systems that allows vehicle to use petrol and hydrogen fuels individually or at the same time with an internal combustion engine. This technology was used with Aston Martin Rapide S during the 24 Hours Nürburgring race. [11] The Rapide S was the first vehicle to finish the race with hydrogen technology. [12]
The Mirai has a button labeled H 2 O that opens a gate at the rear, dumping the water vapor that forms from the hydrogen-oxygen reaction in the fuel cell. [47] The exhaust H 2 O or water volume is 240 mL per 4 km running. [49] [50] Excess water is pumped out of the car. At the end of the journey, there is still some water left in the pipes.
A small number of commercially available hydrogen fuel cell cars currently exist: the Hyundai NEXO, Toytota Mirai, and previously the Honda FCX Clarity. One primary area of research is hydrogen storage, to try to increase the range of hydrogen vehicles while reducing the weight, energy consumption, and complexity of the storage systems. Two ...