Illinois’ Will County has North America’s largest inland intermodal transport hub. Residents worry about more traffic and pollution from a huge new warehouse complex.By Siri ChilukuriELWOOD, Ill.—When Terri Papesh says she can’t stand the smell of diesel, she doesn’t mean it figuratively. The 62-year-old has a variety of health problems that make her more sensitive to the sulfur dioxide molecules spewing from the tailpipes of semi-trucks. “I have literally had times where diesel fumes would send me into an asthma attack,” she said.