2 Background on the Piston-Engine Aircraft Fleet and Airports | Options for Reducing Lead Emissions from Piston-Engine Aircraft | The National Academies Press
![3 Aircraft Gas Turbine Engines | Commercial Aircraft Propulsion and Energy Systems Research: Reducing Global Carbon Emissions | The National Academies Press 3 Aircraft Gas Turbine Engines | Commercial Aircraft Propulsion and Energy Systems Research: Reducing Global Carbon Emissions | The National Academies Press](https://nap.nationalacademies.org/openbook/23490/xhtml/images/p-50-1.jpg)
3 Aircraft Gas Turbine Engines | Commercial Aircraft Propulsion and Energy Systems Research: Reducing Global Carbon Emissions | The National Academies Press
![Innovative propeller design enables diesel aircraft engines | ARGOS Project | Results in brief | H2020 | CORDIS | European Commission Innovative propeller design enables diesel aircraft engines | ARGOS Project | Results in brief | H2020 | CORDIS | European Commission](https://cordis.europa.eu/docs/results/images/2020-04/415762.jpg)
Innovative propeller design enables diesel aircraft engines | ARGOS Project | Results in brief | H2020 | CORDIS | European Commission
![Stream episode PDF/READ Allied Aircraft Piston Engines of World War II: History and Development of Front by MattieMoon podcast | Listen online for free on SoundCloud Stream episode PDF/READ Allied Aircraft Piston Engines of World War II: History and Development of Front by MattieMoon podcast | Listen online for free on SoundCloud](https://i1.sndcdn.com/artworks-UM5OoUeMd1XrOlrC-G0LxSA-t500x500.jpg)
Stream episode PDF/READ Allied Aircraft Piston Engines of World War II: History and Development of Front by MattieMoon podcast | Listen online for free on SoundCloud
![2 Background on the Piston-Engine Aircraft Fleet and Airports | Options for Reducing Lead Emissions from Piston-Engine Aircraft | The National Academies Press 2 Background on the Piston-Engine Aircraft Fleet and Airports | Options for Reducing Lead Emissions from Piston-Engine Aircraft | The National Academies Press](https://nap.nationalacademies.org/books/26050/gif/35.gif)