Cloud computing can lead to immense energy saving for U.S., 
Verdantix conducted in-depth interviews with multi-national firms—including Aviva, Boeing, Citigroup and Juniper Networks— in diverse sectors. All study participants had adopted cloud services for at least two years. Many of the firms interviewed reported cost savings as a primary motivator, with anticipated cost reductions as high as 40 – 50 percent.https://www.cdproject.net/en-US/WhatWeDo/Pages/Cloud-Computing.aspxhttp://www.att.com