The Biofuels Digest website recently featured special reports on aviation biofuels. Among the issues discussed were: aviation biofuel feedstocks, research, airline participation, commercialization prospects and policy. The following are some of the highlights of the special reports: (1) Feedstocks: algae, camelina and halophytes (plants adapted to saline environments, such as salicornia) have been identified as "near term", potential aviation biofuel feedstocks; synthetic jet fuels from gas-to-liquid technology is also being considered, (2) Research: findings from the Manchester Metropolitan University Centre for Air Transport and the Environment and the Potsdam Institute for Climate Impact Research show that "global aviation have been responsible for 4.7 percent of the global mean temperature rise between 1940 and 2005"; the XPrize was developed "as part of the FAA's NextGen project, which among its goals will limit the environmental impact of an expected doubling of air traffic capacity by 2025", (3) Airline participation: a number of airlines have conducted successful test flights on aviation biofuels from a variety of feedstocks, and some have plans to use biofuel-blended aviation biofuels in the future, (4) Commercialization prospects: biofuels certification for regular commercial flights may be possible by 2012 or 2013, (5) Policy: the International Air Transport Association (IATA) has set a vision "for air transport to achieve carbon neutral growth in the medium-term, on the way to a carbon emission free future"..