It's been 75 days since Costa Rica's power grid last had a sip of petroleum. Thanks to heavy rainfall at the start of the year, the Central American nation has been able to provide 100 percent of its energy needs via renewable resources. This certain...via Engadget RSS Feed http://www.engadget.com/2015/03/23/costa-rica-hasnt-used-any-fossil-fuel-in-over-two-months/?ncid=rss_truncated
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