The Greasezilla grease-separating unit, made by Downey Ridge Environmental Co., enables grease-trap pumpers to reduce and better control waste disposal and fuel expenses, create a new revenue stream and run a more eco-friendly operation. And it produces its own fuel: brown grease, a byproduct of the separation process.The system requires about 1,000 square feet of indoor space. It’s designed for pumpers who clean a considerable number of grease traps, but it’s also suitable for use by municipal treatment plants, says Ron Crosier, president of Downey Ridge and the owner of Crosier’s Inc., a portable restroom and grease-and-septage pumping operation in
