Clean Technica

Vienna’s Hydrogen Bus Failure Is A Warning To Transit Agencies

10 min read

Seven of Vienna’s ten new hydrogen buses are sidelined because CaetanoBus cannot supply ordinary spare parts. Not hydrogen tanks. Not fuel-cell stacks. Not high-pressure valves. Door compressors and blind-spot monitoring systems. That is what makes the case important for transit procurement agencies. The reported failure is not exotic enough to … [continued]

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Clean Technica Climate change Research

Better Flight Planning Can Cut Fuel & Contrail Warming

12 min read

Aviation’s decarbonization debate spends most of its time in the fuel tank. Sustainable aviation fuel gets the mandates, hydrogen and synthetic fuels get the hype and VC dollars, and batteries get the short-haul hopes. All of those matter, but they share a problem. They are slow, expensive, infrastructure-heavy and constrained … [continued]

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