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Liquefied hydrogen is the liquid state of the element hydrogen. It is a common liquid rocket fuel for rocket applications and can be used as a fuel in an internal combustion engine or fuel cell . Various concept hydrogen vehicles have been lower volumetric energy, the hydrogen volumes needed for combustion are large.
The theoretical maximum power output from a hydrogen engine depends on the air/fuel ratio and fuel injection method used. The stoichiometric air/fuel ratio for hydrogen is 34:1. At this air/fuel ratio, hydrogen will displace 29% of the combustion chamber leaving only 71% for the air.
Hydrogen pipeline transport is a transportation of hydrogen through a pipe as part of the hydrogen infrastructure. Hydrogen pipeline transport is used to connect the point of hydrogen production or delivery of hydrogen with the point of demand, pipeline transport costs are similar to CNG, [9] the technology is proven, [10] however most hydrogen is produced on the place of demand with every 50 ...
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.
Theoretically, there will be enough emissions-free energy sources in the future to supply fuel cell vehicles, and the cost of making the hydrogen plants and building now-expensive fuel cells will ...
Since hydrogen station growth has stalled and hydrogen prices exploded, fuel cell sales have stalled too. In the first half of 2023, 1,765 such cars were sold or leased. This year's first half: 298.
2007 – Hydrogen 7 is powered by a dual-fuel internal combustion engine–liquid hydrogen 2007 – BMW H2R speed record car – ICE–liquid hydrogen CMB.TECH (Compagnie Maritime Belge)
As for the hydrogen fuel-cell powered trucks, Nikola said orders for 140 hydrogen fuel cell trucks have been received from 12 customers, and they are on track to begin hydrogen fuel cell ...