EFP LLC is spending more than $30 million to essentially triple space at the company's Bishopville, S.C., plant.

"Previously it has been thought that mealworms could be used to help break down expanded polystyrene, a plastic foam notorious for its environmental persistence," Dr. Fritz said. "We found ...

Fortuna Cools makes coolers out of that waste instead of the commonly used expanded polystyrene foam, often incorrectly called styrofoam. We make more than 14 million tons of this hard-to-recycle ...