NEMA’s shipment indexes for T5 and T8 linear fluorescent lamps increased 30.2% and 12.5%, respectively, during the first half of 2011 compared to the same period last year. Moreover, the Q2 2011 index values for both T5 and T8 lamps were at record highs. Meanwhile, first half shipments of T12 lamps declined 11.1% on a [...]