... raw material inspection,2.100% aging lines testing,3. On-site quality inspection,4. Lab testing in radom ... disposal. For a given light output, CFLs use 20 to 33 percent of the power of equivalent ... % of household electricity usage in households, widespread use of CFLs could save as much as 7% ... incandescent lamp, the extended lifetime and lower energy use will more than compensate for the higher initial ...