Prevost Car Inc., a division of Volvo, recently leased 60,000 square feet at 200 Helen St. in South Plainfield, NJ. Before signing the 10-year lease, which begins next month, Prevost searched for four years to find the ideal location. The 792,758-square-foot building has 60 loading docks, 30-foot ceilings and 3900 Amps of power.