Mich. RV sales, national shipments reveal positive signs

(June 1, 2012) -- RV shipments rose nearly 10 percent through the first quarter of 2012 from 2011. In Michigan, first quarter 2012 RV sales are up 18 percent from the first quarter of 2011. The Michigan Association of RVs and Campgrounds (MARVAC) is projecting 2012 RV sales will continue to increase.