Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Bjorn’s Corner: New engine development. Part 5. Turbofan design problems April 26, 2024
- Airbus 1Q2024 results: Airbus CEO: “A350 in-service experience drives positive reputation and orders” April 25, 2024
- A350-1000 or 777-9? Part 3 April 25, 2024
- Boeing CEO promises company is turning around…again April 24, 2024
- Solid start for stand-alone GE Aerospace despite cuts to LEAP output April 23, 2024
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 15. Hydrogen propulsion system choices.
April 15, 2022, ©. Leeham News: Last week, we examined different airliner types’ power requirements and the importance of their size classes in the market. Now we look at what propulsion system alternatives are available when using hydrogen… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 12. Hydrogen storage.
March 25, 2022, ©. Leeham News: Last week, we looked at the energy density by mass and volume for hydrogen and regular Jet fuel (Kerosene), Figure 1. With this information, we now look at how these fuels can… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 11. Hydrogen and SAF.
March 18, 2022, ©. Leeham News: In our series, we have now seen the major limitations batteries as an energy source impose on an airliner and that hybrids work but don’t bring any advantages for an airliner. The… Read More
Forecast 2022: Sustainability
Subscription Required By Bjorn Fehrm Introduction February 7, 2022, © Leeham News: The year that passed was when Sustainability broke through the walls of “I’m not convinced we have a problem” and “If so, what shall we do… Read More
Putting some reality into ecoAviation: steps *backwards*
By Scott Hamilton Analysis Jan. 25, 2022, © Leeham News: The airline industry makes a splash about setting goals to become carbon neutral by a date certain. It also set a goal to reduce CO2 emissions in absolute… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 3. Low hanging fruit.
January 21, 2021, ©. Leeham News: Whatever is done in terms of new Sustainable technology for the aircraft, will have a limited influence on the amount of Greenhouse gases that Air Transport emits before 2050. We will only get… Read More
Reducing one’s carbon footprint through flying choices
Subscription Required By Vincent Valery Introduction Jan. 20, 2022, © Leeham News: Discussions about reducing commercial aviation’s carbon emissions have become more prominent over the last few years. Many projects claim that electric(-hybrid) and hydrogen aircraft will be… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 1. A deeper look.
January 7, 2022, ©. Leeham News: We finished a 34 article series before Christmas about the enormous work involved to get a new aircraft certified for passenger transport. It was a background article series to the one we… Read More
IATA AGM: Airplanes, engines SAF capable coming; feedstock lags by years
Subscription Required By Scott Hamilton Introduction Oct. 4, 2021, © Leeham News: Engine and airframe makers are well on their way to becoming fully capable of using Sustainable Aviation Fuel (SAF). But the industries providing SAF are way… Read More