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All articles of topic Costs

Guest article by Karl-Heinz Remmers, PV pioneer

Photovoltaics and hydrogen in the real world

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For a long time the public has held a deep fascination for solar power and hydrogen. Around the world, both of these technologies have been described as great opportunities and the solution to our energy problems. Indeed, hydrogen is regarded within the current public debate as a cure for all ills. What’s the latest on these solutions? Where does the green power they need come from? And how can (green) hydrogen and photovoltaics more rapidly leverage their huge shared potential?

© VDE/VDI study

Fuel cells for long haul, batteries for cities

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According to European Union guidelines, carbon dioxide emissions from heavy-duty vehicles will need to be cut by 30 percent by the year 2030 in order to ensure emissions reductions are on track to meet the EU’s 2050 net-zero target. This would mean that around 200,000 emission-free trucks would have to be operating on Europe's roads by 2030. That’s the finding of a recent study carried out by the association of German engineers VDI and the testing and certification institute VDE entitled “Sustainable commercial vehicles – a comparison of different technology pathways for carbon-neutral and carbon-free propulsion.” It found marked advantages for the use of fuel cell power systems for long-distance transportation using large commercial vehicles while battery-electric powertrains were seen as clearly beneficial for small commercial vehicles.