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I've overlooked this thread till now. The German state Lower Saxony has ordered 14 Alstom iLint for revenue commuter and regional service starting in 2021. <a href="https://futurism.com/hydrogen-powered-trains-are-coming-to-germany-in-2021/">https://futurism.com/hydrogen-powered-trains-are-coming-to-germany-in-2021/</a> Electric trains or cars are not per se less polutant than diesel trains. As long as electricity comes from fossil power plants there is no large difference in the ecobalance. Only with renewable energies like wind, sun, water there are no pollutants. But with electric vehicles one can keep emissions out of the highest contaminated cities as power plants here have stacks between 600 ft and 1,000 ft high distributing the emissions over a wide area and diluting them this way. Germany tries to convert to renewable energy as fast as possible. Currently we have days when wind power plants produce more electricity than the grid can take. The plants than are shut down because the lack of storage. Hydrogen is one possible way of storing surplus wind energy for times with apower need. Not necessarily economic but much better than shutting down wind mills. Compared to batteries hydrogen has the advantage of very fast refueling. Natural gas is not the best solution for all countries. Germany has to import almost all of it while we could produce our own hydrogen. We have have experience with cars with hydrogen internal combustion engine since about 20 years without problems I heard of. The technology isn't wide spread partly for the lack of refueling stations. It is similar with loading stations for electric cars. There are not enough loading station because there are not too many cars. And electric cars are not bought because of the lack of loading stations. Currently one of Germany's largest utility Innogy tests a passenger vessel with a methanol fuel-cell on a water reservoir near Essen. The methanol is produced at the retaining dam using electricity from water power, CO2 filtered from the air, and water. <a href="http://serenergy.com/the-first-methanol-fuel-cell-powered-vessel-in-germany-is-now-sailing-the-waters-of-lake-baldeneysee/">http://serenergy.com/the-first-methanol-fuel-cell-powered-vessel-in-germany-is-now-sailing-the-waters-of-lake-baldeneysee/</a> All power storage systems are less efficient than the direct use of the energy but with the use of electricityproduction less predictable and controllable than fosill power plants we have to use every storage technology that is available now. Better one may be available later but till then you take what you have. Especially as pumped storage hydro power stations are almost impossilbe to build in our world of nimbys. Regards, Volker
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