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"Some Chevy Volt owners have expressed surprised after noticing that, following the purchase of their Chevy Volts, their electric bills actually went down. Find out why."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/energy-efficiency/chevy-volt-owner-surprised-see-electric-bill-go-down-after-getting-his-volt-not-unusual.html>