In Arkansas, millions of acres of spindly pines and hardwood trees are logged every year to make plywood, planks and paper, a process that generates plenty of bark, sawdust and other woody waste. Still more land across the state is carpeted by low and grassy rice crops, which leave behind husks and stalks after every harvest.
Gov. Greg Abbott took the stage at the University of Texas at Austin last August to discuss building up an energy source in the state. Unlike the oil and gas