NORTHBROOK, Ill.--(BUSINESS WIRE)--CF Industries Holdings, Inc. (NYSE: CF), a leading global manufacturer of hydrogen and nitrogen products, and POET, the world's largest producer of biofuels, have launched a pilot project with major agriculture co-operatives to jointly develop a low-carbon fertilizers supply chain. The goal of the pilot is to demonstrate how the use of low carbon nitrogen fertilizer can substantially reduce the carbon intensity of corn and enable the production of low carbon ethanol for us ...