Lufthansa is the world's first airlines to use biofuel on scheduled flights. In the long term, the aviation industry will not achieve its climate goals without biofuels.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/green-takeoff
[2] http://admin.indiaenvironmentportal.org.in/category/author/dierk-jensen
[3] http://admin.indiaenvironmentportal.org.in/category/journal/new-energy
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biofuel
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-transport
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-mitigation
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/germany
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/alternative-fuels