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Today in Cleantech

Like clockwork, the Top500 list of supercomputers is out today and Jaguar, the Department of Energy’s climate change data cruncher (and then some) from Cray, is still number one. For those keeping an eye on energy efficiency, there’s also some encouraging news. Power efficiency among the top 10 supercomputers rose to 300 Mflops per watt from 280 Mflops per watt a year ago. Also, it’s been revealed that machines with IBM ‘s PowerXCell 8i and Cell processors under the hood are likelier to be green. Good to know!