Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- GE testing of giant GE9X engine aims for maturity at entry into service June 30, 2025
- Bjorn’s Corner: Air Transport’s route to 2050. Part 28. June 27, 2025
- Parent agency, FAA often at odds as politics outweighs safety June 26, 2025
- Electric Flight and the Ugly Duckling June 25, 2025
- Engine makers tout “Plan A” but have “Plan B” backups in R&D June 23, 2025
Bjorn’s Corner: The challenges of Hydrogen. Part 3. Application space.
August 7, 2020, ©. Leeham News: In our series on Hydrogen as an energy store for airliners we now look at the emission targets one is chasing and then discuss for what type of airliner does a hydrogen… Read More
Bjorn’s Corner: The challenges of Hydrogen. Part 2. Ecosystem.
July 31, 2020, ©. Leeham News: In our series on Hydrogen as an energy store for airliner use we begin by looking at the needed ecosystem that can produce and distribute Hydrogen. When I was skeptical about hydrogen… Read More
Bjorn’s Corner: The challenges of Hydrogen. Part 1. Background.
July 24, 2020, ©. Leeham News: What a difference three months make! When I wrapped the 20 piece Corner series about e in ePlane not standing for electric, on the first of May, I was virtually alone in… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 20. Wrapup.
May 1, 2020, ©. Leeham News: We now wrap the series about technologies that can help reduce air transport’s environmental footprint. I wrote in the first article, December 13: We have lost our way in our search for… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 19. ICAO CORSIA.
April 24, 2020, ©. Leeham News: Before we wrap the series about technologies that can help us reduce the environmental footprint of air transport, we describe what the ICAO emissions scheme CORSIA is, its goals, and comment on… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 18. Low hanging fruit.
April 17, 2020, ©. Leeham News: We continue the summary of the series why e in ePlane should be more about environment focus than electric aircraft. Last week we summarized the high hanging fruit technologies pursued presently, now… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 17. High hanging fruit.
April 10, 2020, ©. Leeham News: We have since December 13, discussed why e in ePlane should not stand for electric and covered a lot of areas explaining why electric aircraft or hybrids are not the best way… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 16. Bio fuels.
April 3, 2020, ©. Leeham News: In this week’s Corner, we go deeper into bio-based carbon-neutral fuels. We described the two variants of bio-based and synthetic alternative fuels last week and gave an overview of the pros and… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 15. Carbon-neutral fuels.
March 27, 2020, ©. Leeham News: In this week’s Corner, we analyze the use of carbon-neutral fuels for airliner use. Almost all variants of carbon-neutral fuels have the “drop-in” advantage, they can replace our regular jet fuel in… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 14. Parallel Hybrid.
March 20, 2020, ©. Leeham News: In this week’s Corner, we continue our analysis of what it means for a regional airliner to go from Turbofan propulsion to Hybrid Electric propulsion. Last week, we looked at a Serial… Read More