MARION, S.C. (AP) ¿ Road Rescue Inc., a subsidiary of Spartan Motors Inc. that designs and manufactures custom ambulances and emergency-rescue vehicles, said Thursday that David L. Reid was appointed to lead the business' day-to-day operations. Reid, a vice president at Spartan Motors, has more than 30 years of leadership experience and will be in charge of Road Rescue, as well as its sister company fire equipment manufacturer Crimson Fire Inc. Before joining Spartan Motors, Reid spent more than 20 years at furniture maker Herman Miller Inc. where he served as senior vice president and general manager of its health care furniture subsidiary Milcare Inc. Road Rescue also said Thursday that it has received additional capital investment from its parent company. As part of an initiative launched six months ago, Spartan Motors has made capital investments in facilities and equipment to strengthen the Marion, S.C.-based business. The company is also investing in the development of new Road Rescue products that will be introduced in the coming quarters. Improvements at Road Rescue's Marion facility include the construction of a new customer inspection facility, the addition of equipment that streamlines the engineering and manufacturing processes and lighting upgrades. Spartan Motors shares rose 11 cents, or 2.2 percent, to $5.22 in morning trading.