Leeham News and Analysis
There's more to real news than a news release.
The state of alternative propulsion aircraft? Part 3.
Subscription required By Bjorn Fehrm November 27, 2025, © Leeham News: In our series about alternative propulsion aircraft, last week we looked at the electric motor of an electric aircraft, which drives propellers or fans. It’s a component that… Read More
What’s the status of the alternative propulsion projects for air transport?
Subscription required By Bjorn Fehrm November 13, 2025, © Leeham News: The interest for new and more environmentally friendly aircraft got underway in 2014, when Airbus flew the battery-electric E-fan demonstrator at the Farnborough Air Show in July,… Read More
Bjorn’s Corner: Air Transport’s route to 2050. Part 21.
May 9, 2025, ©. Leeham News: We do a Corner series about the state of developments to improve the emission situation for Air Transport. We try to understand why development has been slow. Since we started in October… Read More
Bjorn’s Corner: Air Transport’s route to 2050. Part 12.
March 7, 2025, ©. Leeham News: We do a Corner series about the state of developments to replace or improve hydrocarbon propulsion concepts for Air Transport. We try to understand why the development has been slow. Last week,… Read More
Bjorn’s Corner: Air Transport’s route to 2050. Part 9.
February 14, 2025, ©. Leeham News: We do a Corner series about the state of developments to replace or improve hydrocarbon propulsion concepts for Air Transport. We try to understand why the development has been slow. We have… Read More
Bjorn’s Corner: Air Transport’s route to 2050. Part 8
February 7, 2025, ©. Leeham News: We do a Corner series about the state of developments to replace or improve hydrocarbon propulsion concepts for Air Transport. We try to understand why the development has been slow. We have… Read More
The Exception to the Green Propulsion Rule
Subscription required By Bjorn Fehrm November 30, 2023, © Leeham News: The interest in Green alternative propulsion for airliners started in earnest at Farnborough Air Show 2014, where Airbus flew the E-Fan battery-electric aircraft. What followed was a… Read More
What’s the Green aviation news at Paris 2023?
Subscription required By Bjorn Fehrm June 22, 2023, © Leeham News: Every announcement from aircraft deals, OEM updates, or supply chain news now has the words Sustainable/Sustainability injected in every second sentence. It doesn’t matter what the subject… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 57. Summary
February 10, 2023, ©. Leeham News: We started the present series around Sustainable Air Transport on the 7th of January 2022, more than a year ago. During this time, we have covered a lot of subjects regarding the… Read More
Universal Hydrogen’s ATR72 Project
Subscription required By Bjorn Fehrm Dec. 22, 2022, © Leeham News: Last week, we wrote about Universal Hydrogen’s (UH2) plans to fly a hydrogen-fueled demonstrator aircraft in early 2023, followed by a certified conversion kit for an ATR72… Read More