Three airlines set to convert 21 existing oil-fuelled planes to run on green hydrogen

Icelandair, Air Nostrum and Ravn Alaska sign letters of intent with US start-up Universal Hydrogen to replace kerosene engines with fuel-cell electric drivetrains

Image displaying Universal Hydrogen's conversion kit and 'capsules' in a propeller-driven plane.
Image displaying Universal Hydrogen's conversion kit and 'capsules' in a propeller-driven plane.Universal Hydrogen

Three airlines have signed up to retrofit regional turbo-propeller aircraft to run on hydrogen.

National airline Icelandair, Iberia franchisee Air Nostrum and US regional airline Ravn Alaska all signed letters of intent with Los Angeles-based start-up Universal Hydrogen last week to replace kerosene-powered engines on short-haul planes with hydrogen-powered fuel-cell electric drivetrains.