WASHINGTON, May 21 - The White House has threatened to veto legislation pending in the U.S House of Representatives that could strip from President Barack Obama the authority to approve the controversial Keystone XL pipeline.
WASHINGTON/BOSTON May 21 - Several power utilities say they face a barrage of cyber attacks on their critical systems, a report by two Democratic lawmakers found echoing warnings from the Obama administration that foreign hackers were trying to bring down the U.S. power grid.
* County lawmakers pull back from big sewer bond issuance
(Adds details on market, quotes from consultant and broker)
* New Energy Secretary Moniz says committed review of exports
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