American Machinist, Apr. 12, 2017, by Megan Ray Nichols.
http://americanmachinist.com/automation/smart-manufacturing-improves-energy-efficiency

"Most of us understand how Smart Manufacturing can improve operational efficiency across the board. What many manufacturers don't consider is the resulting improvement in energy efficiency that also can be achieved. Not only is this next-gen approach to production planning and execution leading to heightened productivity and output, but it's also paving the way for “greener” operations in the near future."