Summary Reports SWAFEA Final Report (April 2011) State of the Art on Alternative Fuels in Aviation - Executive Summary (April 2010)   Detailed Reports D2.1 - State of the Art for Alternative Fuels and Energy Carriers in Aviation (October 2011) D3.2 - Technical Feasibility and Performance of Biofuels in Aviation - Aero-Engine Analysis (October 2011) D5.1 - Prospects and Plans for the Introduction of Other Renewable Energy Sources for Aviation (October 2011) D6.2 - Environmental Impact Analysis Report (October 2011) D7.1/D7.2 - Business Case & Implementation Strategies (October 2011)