Here’s a sobering statistic: Out of a total of 10 hydrogen living labs, only five have actually been rolled out. Peter Altmaier, economy minister in the previous German government, had enthused grandiosely about the practical relevance of the projects he was supporting and went to great lengths to rebut any criticism of them. Even during the selection process, a fair number of voices could be heard complaining that the time for demos had passed. And yet Altmaier used the full force of his authority and sailed on. Today the reality is that the majority of these field trials have yet to swing into action, hampered by excessive bureaucracy and onerous conditions.