WASHINGTON - The US Navy unveiled a major update of its energy policies ashore on Tuesday, calling for improved efficiency, greater conservation and increased use of renewable power to cut energy consumption in half at bases worldwide by the end of the decade.

Vice Admiral Phil Cullom, deputy chief of naval operations, said the first updated energy policy for shore installations in 18 years was aimed primarily at improving energy security for the Navy's 70 bases and other facilities worldwide.

Please LIKE our Facebook page - it makes us stronger