New legislation has been proposed to increase US military energy efficiency and reduce fossil fuel reliance. This shift, however, is driven more by troop safety and operational security than a desire to be “green.” “The bill, called the Department of Defense Energy Security Act of 2014, was announced yesterday by Senator Mark Udall (D-CO) and Representative Scott Peters (D-CA), who said that, ‘”Military reliance on fossil fuels is a national security issue.”’ Since 2001, more than 3,000 men and women in uniform have been killed or wounded in attacks on fuel convoys in Afghanistan.” [io9.com]

MidAmerican Energy changed its name to Berkshire Hathaway Energy in a move designed to highlight Warren Buffett’s empire is becoming increasingly focused on the energy-related investments. “Our new name reflects the benefits we gain from Berkshire Hathaway’s ownership, particularly our ability to reinvest in our businesses and take a long-term view of our customers’ needs, which have helped us become a leader in the global energy industry,” said Greg Abel, Berkshire Hathaway Energy’s CEO. [The Des Moines Register]

A subsidiary of Warren Buffett’s Berkshire Hathaway announced Thursday the purchase of one of Canada’s largest power transmission operators – AltaLink LP. [Financial Times]