Destinus Says Hypersonic, Zero Carbon Flights Are On the Horizon

The European start-up has achieved a first flight using its hydrogen afterburner technology—a key step in its long-term plan to develop a hypersonic airliner that will be able to carry 200 passengers from Europe to Australia in just four hours. The company says that using green hydrogen to replace fossil fuel is critical to achieving Mach 5 commercial flights that are environmentally acceptable and more affordable than the premium-service Concorde supersonic jet.