Anaerobic digesters solve a few problems at once -- generate renewable energy, divert food waste from landfills and cut down on harmful emissions.
Food production consumes about a fifth of the U.S. energy supply. Some farmers are trying to cut back on the coal and gas used to grow our food.
Miscanthus is a tall, stalky grass native to Southeast Asia. Researchers want to blend miscanthus with existing fuel sources.
In an effort to reduce the state's additions to landfills, Massachusetts will become the first state to ban food waste from being thrown into the trash.