These sharp-penciled firms, and dozens like them, know that energy efficiency improves the bottom line and yields even more valuable side benefits: higher quality and reliability in energy-efficient factories, 6 to 16 percent higher labor productivity in
These sharp-penciled firms, and dozens like them, know that energy efficiency improves the bottom line and yields even more valuable side benefits: higher quality and reliability in energy-efficient factories, 6 to 16 percent higher labor productivity in
这些精明的公司（以及其他数十家类似的公司），知道能源效率可以提升利润，而且产生更有价值的附带效益：能源效率高的工厂有较高的品质与可靠度；能源效率高的办公室，劳动生产力会提高6~16%；商店如果巧妙运用日光来做为主要照明，生意则会提高40%。