Mike Shaw didn't want to be caught by surprise when the state starting cracking down on diesel engines. His San Diego construction business owned more than 100 of them. He paid attention when the state's air pollution regulators wrote new rules requiring owners to clean up diesel fleets.
This weekend, Matthew Cate will be leading 20 runners from his office on a 120-mile relay from the Southern California town of Baker to Las Vegas, where Cate plans to complete the race's final 4.5-mile leg across the finish line.
With Hollywood's writers on strike, politicians from Gov. Schwarzen-
