AT&T will stop buying systems next year that don't conform to new policies about air cooling and it is starting a move to liquid cooling. The decisions mark a new milestone in how rising use of mobile data and video is creating power and heat issues in data...

The energy system at KPMG's suburban 30,000 sq ft data centre in Montvale, New Jersey, is an example of combined heat and power (CHP), also known as cogeneration. There are fourteen natural gas-powered micro offering 840 kilowatts of electricity capacity. The exhaust from this miniature power...