Home Sustainable Aviation Fuel Preparing for takeoff? Shell and BA step up backing for waste-based jet... Preparing for takeoff? Shell and BA step up backing for waste-based jet fuel plant 18 Jul 2019 | NewsSustainable Aviation Fuel Preparing for takeoff? Shell and BA step up backing for waste-based jet fuel plant Velocys secures new investment to complete help plans for Lincolnshire biorefinery project.