Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Boeing reports mixed results of latest employee survey, but middle management and officers remain key obstacles April 22, 2025
- Hopes for 1Q financial progress turns into bumpy ride for Boeing April 21, 2025
- Bjorn’s Corner: Air Transport’s route to 2050. Part 18. April 18, 2025
- Natilus: Composite BWB, entry-into-service by 2029, 570 on order April 17, 2025
- China bans Boeing, US parts imports in tariff war April 15, 2025
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
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 13. Serial Hybrid.
March 13, 2020, ©. Leeham News: In this week’s Corner, we address an often forgotten aspect of Electric and Electric-Hybrid aircraft design. The battery as an energy source, as the only or assisting source, has the same weight… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 12. Battery risks.
March 6, 2020, ©. Leeham News: We use this week’s Corner to discuss the safety hazards a change to an Electric or Hybrid-Electric airliner introduces. The trigger is two battery fires in six weeks for the electric aircraft… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 11. More electric aircraft.
February 28, 2020, ©. Leeham News: We now look at technology developments that make sense, and can deliver real improvements in the near future. We start in this Corner with what more electric aircraft and engines can bring.
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 9. Hydrogen, cont.
February 14, 2020, ©. Leeham News: Last week we started looking at hydrogen as an alternative energy source for our air transport system. We discussed the use of hydrogen as a direct fuel replacement to jet fuel, burning… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 8. Hydrogen.
February 7, 2020, ©. Leeham News: After discussing established ways of improving the environmental footprint of our air transport system and highlighting the challenges involved with an electric/hybrid route we now look at hydrogen as an alternative energy… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 7. Efficiency of cars versus airliners.
January 31, 2020, ©. Leeham News: We now look at ways to increase the fuel efficiency of our airliner and by it, improve the CO2 situation for our environment. Let’s start with understanding where we are with the… Read More
Leasing industry sees a role in airline sustainability work
By Bjorn Fehrm January 22, 2020, ©. Leeham News, Dublin: The yearly Air Finance Journal conference finished its second day with a Q&A with the top executives of the Leasing industry. The Leasing companies buy 40% of all… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 5. Distributed propulsion.
January 17, 2020, ©. Leeham News: We continue our series why e in ePlane shall stand for environment and not electric, where we now examine the gains with electric/hybrid distributed propulsion systems. We started last week with the… Read More