NEMA’s indexes for linear fluorescent lamp shipments increased during Q3 2011 compared to the previous quarter. T8 lamp shipments led the way with a 6.1% gain. Shipments of T5 and T12 lamps followed posting increases of 5.7% and 0.9%, respectively. Year-over-year performance showed double digit growth in T5s of 18.8% and 20.8% for T8s. The [...]