E85 ethanol fuel is shown being pumped into a vehicle at a gas station selling alternative fuels in the town of Nevada, Iowa, December 6, 2007. REUTERS/Jason Reed
NEW YORK, Sept 15 (Reuters) - POET, the largest biofuels producer in the United States, said on Wednesday it is committed to achieving net-zero carbon emissions at its bioprocessing facilities by 2050, making it the latest company to pledge to reduce its carbon footprint to fight climate change.