Historically, the main barrier hampering the deployment of energy efficient lighting products was their high initial cost. When first launched in the early 1980s, CFLs were 20 to 30 times more expensive to produce than their incandescent equivalents. However, CFL costs have steadily declined through use and increased competition. They now retail for about four times the price of an incandescent lamp. Consumers have traditionally been slow to come on board and according to some reports, (…)