Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Bjorn’s Corner: Air Transport’s route to 2050. Part 24. May 30, 2025
- Does an A220-500 need a new wing and engines? Part 3. May 29, 2025
- Boeing’s future depends on FAA approvals May 26, 2025
- Updated, May 29, 2025: Department of Justice, Boeing OK to Non-Prosecution Agreement May 23, 2025
- Bjorn’s Corner: Air Transport’s route to 2050. Part 23. May 23, 2025
Bjorn’s Corner: New aircraft technologies. Part 2. Target markets.
March 3, 2023, ©. Leeham News: We started a series last week that will look at what environmental and air traffic economy improvements we can get with traditional aeronautical technology developments. Before we look at technology, we must… Read More
Bjorn’s Corner: Aircraft technology developments. Part 1.
February 24, 2023, ©. Leeham News: In the Sustainable Air Transport series we finished last week, we described new aircraft technologies developed to reduce Green House Gas (GHG) emissions. There was one area we didn’t discuss, the progress… Read More
What is the ticket price influence of SAF? Part 2
Subscription required By Bjorn Fehrm Feb. 16, 2023, © Leeham News: Last week, we looked at the ticket price influence if airline fuel costs would increase going forward, either through increased use of Sustainable Aviation Fuel, SAF, or… Read More
What would be the ticket price influence of SAF?
Subscription required By Bjorn Fehrm Feb. 9, 2023, © Leeham News: I have the last weeks described the difference between Jet fuel and SAF, or Sustainable Aviation Fuel, in my Friday Corners. We could see it has emission… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 50. eVTOL production volumes.
December 16, 2022, ©. Leeham News: Last week, we looked at the production costs of our typical eVTOL. We could see that it was far higher than Joby’s assumption of $1.3m for the S4, about three times higher… Read More
Universal Hydrogen could be first with Hydrogen Airliner
Subscription required By Scott Hamilton and Bjorn Fehrm Dec. 15, 2022, © Leeham News: Universal Hydrogen (UH2) is perhaps weeks away from its first flight of a demonstrator that equips a De Havilland Canada Dash 8-300 with tanks… Read More
Airbus Summit Showcases Sustainability Status
By Bjorn Fehrm December 7, 2022, © Leeham News was at Airbus Summit: Airbus briefed media and influences on its Sustainability progress during briefings in Toulouse and Munich last week. Here is an update on where Airbus is… Read More
Airbus prepares contrail flight tests
July 21, 2022, © Leeham News at Farnborough Air Show: Airbus is converting two Arcus high-altitude gliders to check if the contrails produced by hydrogen combustion engines create an environmental problem. The background is that experts can’t agree… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 26. VTOLs.
July 1, 2022, ©. Leeham News: Last week, we finished our discussions around Fuel Cell-based airliners using hydrogen as fuel. We could see the technology has true zero emissions, but the maturity of the many parts needed (hydrogen… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 25. High Temperature Fuel Cell-based 70-seat airliner
June 24, 2022, ©. Leeham News: Last week, we discussed how a High Temperature Fuel Cell (HTFC) could improve the installation of a propulsion system in our 70-seat airliner. We now add this variant to the systems we… Read More