Instead, U.S. clean energy policy has historically been characterized by a disjointed collection of loosely associated, often inconsistent incentives.

FORBES: Beyond 'Buy American': The U.S. Needs a Clean Energy Strategy

Heritage Crystal Clean is a company that provides hazardous and non-hazardous waste collection services to small businesses as well as parts cleaning tools.

FORBES: Who Got Rich This Week: For-Profit College Execs, A Grease Monkey and More