Clean Sky 2 Leonardo test-flies ‘innovative and sustainable’ flight solutions News Leonardo test-flies ‘innovative and sustainable’ flight solutions C-27J Spartan February 24, 2024 Motorsport technologies used to improve aircraft engine efficiency News Motorsport technologies used to improve aircraft engine efficiency Clean Sky 2 December 12, 2018 Rolls-Royce’s Advance3 demonstrator engine tests 3D printing and new materials News Rolls-Royce’s Advance3 demonstrator engine tests 3D printing and new materials 3D Printing October 15, 2018