Buildings, Apr. 2014, by Janelle Penny.
http://www.buildings.com/article-details/articleid/17138/title/12%20ultra-efficient%20lighting%20strategies/viewall/true.aspx

"You don’t always need a flashy renovation or a deep retrofit that requires gutting your building to boost energy efficiency. Sometimes the best things come in small packages – like these strategies by practicing FMs and green experts.

Covering a dozen aspects of streamlining commercial lighting, these bite-size tips can provide the foundation for your next efficiency project. In the meantime, peruse lighting advice that helps slash energy costs and consumption
."