Vapor recovery in the United States: History and global implications.

Michelle Crawley is the marketing communications coordinator for OPW Fueling Components, a manufacturer of petroleum marketing equipment ranging from vapor recovery nozzles to valves, fittings and spillcontainment products. The company's corporate headquarters are located in Cincinnati, Ohio (USA).

In the United States, efforts to clean up the environment have moved steadily forward. The U.S. Environmental Protection Agency oversees these efforts. Each state develops an implementation plan, or SIP, to initiate a program to comply with the Clean Air Act requirements for