Austrian agriculture is facing a green revolution: fuel cell tractors could soon replace conventional diesel models. They are lighter than electric tractors and therefore do not destroy valuable fields. TU Vienna is making great progress in its research project.
But how does a fuel cell tractor actually work? In a fuel cell, hydrogen reacts with oxygen from the ambient air to form water – creating electrical energy. This electricity is used to drive the tractor via an electric motor. “The special thing about this is that only water vapor escapes as exhaust gas, making it possible to use it in closed spaces such as stables,” explains Christian Junger. He is on the development team of the so-called FCTRAC at the Institute for Vehicle Drives and Automotive Technology of the Technical University of Vienna.
Hydrogen important for the energy transition
There is still one catch: Austria’s hydrogen infrastructure can still be expanded. Although there are currently only a few public petrol stations, work is already underway to further develop them. Hydrogen plays a central role in the Austrian energy transition, partly due to its ability to store energy in the long term.
Another advantage of hydrogen: it could be a cheaper alternative to fossil fuels in the future. “Current prices are around €23.99 per kilogram of hydrogen, which can travel approximately 100 kilometers. Due to the planned increase in production, it is expected that costs will decrease in the coming years,” says Rudolf Krizan. The engineer also conducts research into fuel cell tractors.
Farmers can produce fuel using biomass
The project also shows how farmers can produce hydrogen using biomass. The research is already at an advanced stage: “The hydrogen production plant and associated refueling station have already been built and pilot operations are underway,” the experts add.
There were still technical challenges, especially in integrating the new technology into a standard tractor. “The biggest challenge was to accommodate all components in a space-saving manner, because the driver always has to keep an eye on the front wheels so as not to damage plants,” Junger explains in the interview with “Krone”.
Advantages of a fuel cell vehicle: “A battery-powered tractor would be significantly heavier and increase ground pressure – something farmers definitely want to avoid,” says Krizan.
Advanced projects in automotive technology
The Institute for Vehicle Powertrains and Automotive Technology at the Technical University of Vienna is currently conducting extensive research into alternative powertrains. Among other things, a water glycol cooling system for electric motors was developed. This regulates the operating temperature and ensures optimal performance. Our politicians also believe in these developments because they are supported by the Climate and Energy Fund.
Numerous projects such as the advanced tractor will also be on display during the Long Night of Research on May 24 from 5:00 PM to 11:00 PM. On this evening, the TU Vienna team will provide insight into their work.
All information about the event here.
Source: Krone
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