Public and private initiatives have targeted goals for biofuels in aviation, including support of national goals, a Federal Aviation Administration volumetric goal, and goals of the Commercial Aviation Alternative Fuels Initiative (CAAFI), The CAAFI summarizes actions that the aviation industry might take to advance development of aviation biofuels (Miller and Heimlich 2013). The International Air Transport Association regularly tracks the status of alternative aviation fuels (International Air Transport Association 2013).