A little oil left over from frying your breakfast eggs can easily be sopped up with paper towels or an upcycled cotton rag. But some recipes—hello, doughnuts!—leave larger quantities of oil behind. As ...
WOOSTER, Ohio — Buehler Food Markets here recently converted one of four tractor trailers — which are used to pick up and deliver local produce — from diesel to waste vegetable oil (WVO), which ...