Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Solid start for stand-alone GE Aerospace despite cuts to LEAP output April 23, 2024
- SPEEA, Boeing at impasse over safety program, union says April 23, 2024
- Better transparency needed on Boeing’s 1Q earnings call April 22, 2024
- Bjorn’s Corner: New engine development. Part 4. Propulsive efficiency April 19, 2024
- Boeing unlikely to meet FAA’s 90-day deadline for new safety program April 18, 2024
Bjorn’s Corner: Sustainable Air Transport. Part 58. Summary Part 2.
February 17, 2023, ©. Leeham News: Last week, we summarized that SAF is the short-term solution for GreenHouse Gas (GHG) reduction for Air Transport, and hydrogen is the longer-term solution for up to medium-haul flights. What about battery… 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
Bjorn’s Corner: Sustainable Air Transport. Part 56. SAF non-CO2 effects
February 3, 2023, ©. Leeham News: We’ve gone through the composition of Sustainable Aviation Fuel, SAF, its production, and its cost. We’ve also discussed its effect on CO2 emissions from Air Transport. An important part of SAF’s advantages… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 55. Sustainable Aviation Fuel feedstocks
January 27, 2023, ©. Leeham News: Last week, we learned the main pathways to Sustainable Aviation Fuel and their production volumes for the next years. Now we look at the feedstocks, what output we get from these, and… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 54. Sustainable Aviation Fuel Production
January 20, 2023, ©. Leeham News: Having introduced Sustainable Aviation Fuel, SAF, as essential for reducing Green House Gases (GHG) until 2050, we now look at how SAF is produced, what pathways from feedstock to SAF are the… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 53. Sustainable Aviation Fuel
January 13, 2023, ©. Leeham News: Last week, we could see in an example how effective Sustainable Aviation Fuel, SAF, blended into our regular Jet fuel, would be in reducing CO2 emissions until 2050. It’s the only technology… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 52. What can be done before 2050?
January 6, 2023, ©. Leeham News: Since we started this series about our Air Transports and their pollution, we have covered different schemes of reduction such as improved Air Traffic Control (ATC), change to electric aircraft (battery/hybrids) or… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 51. eVTOL wrap.
December 23, 2022, ©. Leeham News: After 25 articles about the eVTOL, it’s time for a wrap. We have looked at most aspects of this new form of air transportation, including how sustainable it is. Today we summarize… 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
Bjorn’s Corner: Sustainable Air Transport. Part 49. eVTOL production costs.
December 9, 2022, ©. Leeham News: This is a summary of the article Part 49P, eVTOL production costs. It discusses the production costs of our typical eVTOL (Figure 1) and its drain on the OEM’s finances. New aircraft… Read More