Alaska Airlines has presented a Bombardier Q400 regional turboprop to ZeroAvia for retrofitting with a hydrogen-electric propulsion system “Aligning ZeroAvia’s powertrain with the Dash 8-400 airframe will represent a commercially viable zero-emission aircraft with fuel cell engine technology around five times more powerful than what has been demonstrated anywhere to date,” Alaska announced on May 1. “Demonstrating this size of aircraft in flight, powered entirely by novel propulsion, would have been unthinkable a few years ago,” said Val Miftakhov, founder and chief executive of ZeroAvia. “Launching this program puts us on track for a test flight next year, and accelerates

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