According to researchers, eucalyptus-based fuel would initially be more expensive than fossil fuels to make on a mass scale, but would produce significantly less net carbon emissions.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/jet-fuel-could-be-produced-trees-study-claims
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-transport
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ethanol
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodiesel
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy