"When Eric Hansen set out on his mission to create the first propane-powered lawn care crew in 2008, he couldn't have imagined the attention his 10-vehicle fleet would eventually attract. Last December, the founder and president of Downers Grove, Ill.-based Competitive Lawn Service Inc., took delivery of the first propane-fueled Ford F-350 from the Roush Performance assembly plant in Livonia, Mich. Auto racing and engineering mogul Jack Roush greeted Hansen at the plant and personally filled the truck's underbed tank as the cameras rolled."


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