In 2023, construction begins at a wastewater treatment plant in New Mexico to make nitrogen for fertilizer from biosolids using solar thermal energy, with the first production of fertilizer in 2024 Next year, a consortium led by American Infrastructure Holdings LLC that includes Solar Dynamics and Andritz Separation will build a pilot facility in Albuquerque, New Mexico to demonstrate a novel dryer technology to produce granular fertilizer from biosolids that will be powered by solar heat. Fossil fuels are used in the current methods of manufacturing nitrogen and phosphate for fertilizer: they are used to mine and grind up phosphate ...