LINCOLN, Nebraska, Aug. 11 -- Nebraska Attorney General Mike Hilgers issued the following news release: * * * Hilgers Announces Victory in Challenge to Illegal "Clean Truck Partnership" * "Our economy depends on diesel-powered semi-trucks, the companies that provide them, and the truckers that drive them. That industry is critical to keeping costs low for consumers and to supplying rural America. That industry has been under assault by California, and today's victory ensures that the availab more PR