CPS urges schools to conserve energy Posted on August 11, 2011 by stlane CPS urges schools to conserve energy express-news Copyright 2013 express-news. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Published 12:37 am, Thursday, August 11, 2011 Highest energy use is historically the first day of school, which is Aug. 22.
