Electric flight seems to be all the rage, but its place in the aviation market has yet to be worked out. We talked to Ralph ...

Most electric aviation projects include the integration of hydrogen somewhere down the line. Long-route commercial flights with zero emissions seem almost impossible without this crucial element.

Everyone agrees that liquid hydrogen is the jet fuel of the future, at least for long-distance flight. With almost three times more energy than conventional jet fuel, a liquid hydrogen-powered ...

Zero emission aircraft powertrain developer H2FLY is celebrating a major milestone in what it is hailing as a world’s first. The company has successfully piloted a flight of an electric aircraft ...

H2FLY's HY4 aircraft set a world record by flying at an altitude of 7,230 feet for a hydrogen-powered passenger aircraft. The HY4 also successfully completed the first flight of a hydrogen-electric ...

H2Fly puts no dates on when it expects to get these intermediate-range, zero-emissions powertrains into commercial service, but we'd expect it'll be well into the mid-2030s before this gear can start ...

Stuttgart-based H2FLY, a developer of hydrogen fuel cell systems for aircraft, announced that it had passed a critical liquid hydrogen on-ground filling test for its HY4 aircraft. This is part of the ...

German advanced powertrain specialist H2FLY has successfully validated its latest hydrogen fuel cell system, achieving peak power of 175kW during bench testing. Called the H2F175, the latest system – ...

H2FLY, a German start-up developing hydrogen fuel cell systems for aircraft, and Deutsche Aircraft, a new German aircraft manufacturer putting climate change at the centerstage of their design ...

Advanced powertrain integrator H2Fly has launched another round of flight tests with its hydrogen fuel cell-powered HY4 aircraft to assess component improvements to its 130kW system. Taking place at ...

The German company and its European partners flew a Pipistrel twin fuselage electric Taurus 4G aircraft with hydrogen fuel tanks and fuel cells added. H2Fly made a public demonstration flight with its ...

Add Yahoo as a preferred source to see more of our stories on Google. Everyone agrees that liquid hydrogen is the jet fuel of the future, at least for long-distance flight. With almost three times ...