Modern direct-injection turbocharged hydrogen engines can produce more power than an equivalent petrol engine by increasing the proportion of hydrogen in the fuel-air mixture — but the NOx levels increase.
Otherwise, hydrogen engines are essentially modifi ed petrol engines that, in production form, would have some stronger components and hydrogen direct injection systems. Hydrogen can be stored in the same well-proven bar compressed gas tanks used in fuel cell vehicles. Graz University of Technology, in conjunction with Bosch, has produced some encouraging results with a 2.
Given the closeness to existing technology and manufacturing, burning this abundant, lighter-than-air gas could offer a useful stepping stone to full electrifi cation and also encourage development of a hydrogen network needed for fuel cell vehicles. The answer? Use hydrogen in a fuel cell to generate electricity. Fuel cells are far more efficient than internal combustion engines, and a hydrogen fuel cell has cleaner emissions than an internal-combustion hydrogen engine.
To learn more, check out Fenske's full video below. Join Now. New Cars. Car Culture. Type keyword s to search. Stephen Edelstein - Contributing Writer. More than one third of Cadillac dealerships bail on brand's electric future. Buzz: Car News Headlines. Acura Integra prototype debut set for Nov.
Motor Authority Newsletter Sign up to get the latest performance and luxury automotive news, delivered to your inbox daily! Sign Up Today! Follow Us on Instagram motorauthority. Car Tech Features View All. Chicago Detroit. Frankfurt Geneva. In any case, innovative technologies based on hydrogen offer enormous potential everywhere to successfully defossilize industries. After all, stationary internal combustion engines are very longlived assets that require high levels of investment from their operators.
Those engines that go into operation today or in the near future will most probably still be powered by conventional fossil fuels. But they must be adaptable to the requirements of a climate-friendly energy supply.
This creates investment security and thus a willingness to invest. Moreover, this future security is an important contribution to sustainability.
If the engines can be further used without any problems, they do not have to be replaced by new units. This also helps to save valuable resources. It has to be said that, overall, a hydrogen engine works no differently from any other internal combustion engine.
It follows well-known, tried-and-tested principles of energy conversion. Nevertheless, engineers have faced and continue to face countless challenges that must be overcome in order to guarantee outstanding reliability and efficiency when an engine is powered by hydrogen. Facing these different challenges is ultimately a purely conventional and solvable — but non-trivial — development task.
This is because the molecules of hydrogen are very small. In addition, H2 has very poor lubricating properties.
A specific solution has to be found for this as well. The constant exchange between developers and designers on the one hand and with users on the other is therefore particularly important and necessary — a fact that directly brings us to the CIMAC Congress where every three years, the large engine industry meets.
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