The Energy Independence and Security Act of 2007 requires that between 2012 and 2014 all general-purpose light bulbs that produce 310–2600 lumens of light be 30 percent more energy efficient than current incandescent bulbs. That means many consumers are shifting to CFLs (compact fluorescent lamps) because they are a readily available alternative.
As with any change, questions are bound to arise as to the wisdom of such a shift. While the overall policy can always be debated, many widely held myths surrounding CFLs should be noted.
Detractors of CFLs often claim that the lamps (CFLs are called lamps instead of bulbs) are too expensive. CFLs do, indeed, cost more than incandescent bulbs, but, not only do CFLs use less energy than incandescent bulbs – up to 75% less -- CFLs also last longer. Estimates range from 6 to 10 times longer. That means for every CFL you purchase, you would have had to replace your old bulbs more than 5 times. You do the math!
Also, new technology always costs more. CFL prices have already dropped and it is fair to assume that products will improve and prices will continue to drop as other competitors (halogen and LED) gain market attention.