
Researchers examine anaerobic digestion, hydrothermal liquefaction as landfills fill up
In Colorado, the expected decline in the number of landfills across the United States coupled with bans on disposing large amounts of organic waste in landfills that have been enacted in multiple states has prompted researchers at the U.S. Department of Energy’s (DOE’s) National Renewable Energy Laboratory (NREL) to examine other ways to grapple with […]