These CFLs each replace a series of ten 65-W incandescent light bulbs. The 18- W CFLs normally retail for $12 to $20. ... trees on the south and west sides of our houses, and by using light-colored materials when roof repairs are needed.
|Title||:||Energy policies to address climate change|
|Author||:||United States. Dept. of Energy. Office of Environmental Analysis, University of California (System). Universitywide Energy Research Group|