“A bio-digester is a mechanized toilet that uses decomposition and sedimentation to turn human waste into a renewable fuel called biogas.”
from — Wikipedia contributors. (2025v, December 4). Biofuel. Wikipedia.
“Bioenergy with carbon capture and storage (BECCS) is the process of extracting bioenergy from biomass and capturing and storing the carbon dioxide (CO2) that is produced.”
from — Wikipedia contributors. (2025i, September 9). Bioenergy. Wikipedia.
“As the Trump administration’s freeze on key regulations and incentives continues, and regressive policies for sustainability are implemented, it seems likely that SAF production will experience major setbacks, making it increasingly difficult for the aviation industry to meet its ambitious goals.”
from — International Airport Review. (2025, July 31). Trump’s Policies impact on U.S. Sustainable Aviation Fuel.