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In 2022, RMV, the public transit authority for the Rhine-Main Region, will replace diesel-powered locomotives with 27 fuel-cell trains to enable climate-friendly commuting. Infraserv will supply the hydrogen for these trains and build the requisite filling infrastructure at Industriepark Höchst.
In 2019, RMV issued the 2022 Taunus Network Vehicle Procurement call for tenders for the use of fuel cell traction units. The Alstom/Infraserv Höchst consortium won the contract to supply and maintain the vehicles and supply the hydrogen. Fuel cell traction units will be used on the RB 11, 12, 15 and 16 regional rail lines instead of the current diesel traction units starting with the 2022 winter timetable.
Key figures about fuel cell traction units
The local emission-free trains have a hydrogen tank and a fuel cell on the roof. The fuel cell converts hydrogen and air into water, which generates electricity. This, in turn, charges the on-board lithium batteries and drives the electric motor.
The exhaust emits water vapor instead of CO2 and other combustion gases. The train also carries a battery that temporarily stores the electrical energy generated on board and recovers braking energy. The trains travel around 1,000 kilometers on a full tank of fuel and can reach speeds of up to 140 kilometers per hour.
Infraserv Höchst will build compressors, storage tanks and fueling stations at Industriepark Höchst to supply hydrogen for the fuel cell traction units.