The trucking industry looks set to enjoy three or four years of reasonable growth, according to Bruce Allen, professor emeritus of business economics and public policy at Wharton, and Dan Clark, president and general manager of transportation finance at GE Capital. But not everything out on the road is smooth-running. Major challenges include rising fuel costs, a need to increase driver salaries substantially to steady the labor supply, a potentially large-scale transition from diesel fuel to natural gas, and increasing regulations. Part 1 of this two-part podcast series looks at growth prospects and major cost challenges.