NEMA’s shipment indexes for linear fluorescent T5, T8, and T12 lamps decreased during the first quarter of 2012 compared to the same period last year. T5 lamps showed the largest decrease, declining 7.9 percent, while T8s and T12s declined by 5.5 and 5.0 percent, respectively. Despite posting year-over-year declines, shipments of T5 and T12 lamps [...]