A senior FAA official cast doubt on the likelihood that FAA would undertake a comprehensive rewrite to update Part 135 regulations, saying the agency doesn’t have the resources for such an initiative and instead would be more likely to address smaller issues on a case-by-case basis.
A drop-in aviation biofuel that relies on the direct fermentation of sugar has been approved for use, further boosting wider industry hopes of achieving a target of supplying up to 1% of the global annual production of jet fuel from non-fossil or sustainable sources by the end of 2015. The process, developed by energy company Total and California-based renewable products specialist Amyris, becomes the third method of biofuel production to be approved by industry standards developer ASTM along with the Fischer-Tropsch and HEFA (hydroprocessed esters and fatty acids) processes.