nwabf northwest advanced bio-fuels sustainable aviation fuels renewable energy biofuel aviation sustainable aviation fuel carbon footprint carbon emmisions biomass woody biomass aviation fuel airlines delta air lines nara jet fuel biofuel project black & veatch biofuels saf reduce emissions carbon offset greenhouse emmisions washington state sustainable fuel biojet feed study bernard asher construction procurement engineering epc aviation biofuel reduce fossil fuels carbon neutral grays harbor wa david smoot greenhouse gas economic growth biotechnology sustainability bioeconomy summit on americas bioeconomy northwest advanced renewables alliance international civil aviation organization icao corsia washington state university climate change international carbon standards board transportation technology sustainable development fuel
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