ZigBee slashes hotel energy costs by up to 40 percent WiSuiteâ„¢ wireless environmental automation system eliminates power use in vacant rooms <A HREF="http://home.businesswire.com/portal/site/google/index.jsp?ndmViewId=news_view&newsId=20061017005692&newsLang=en" target="_blank">http://home.businesswire.com/portal/site/google/index.jsp?ndmViewId=news_view&newsId=20061017005...</A>