Buffett's MidAmerican Energy adopts Berkshire name
April 30, 2014 at 15:07 PM EDT
April 30 (Reuters) - Berkshire Hathaway Inc's energy unit has changed its name to Berkshire Hathaway Energy from MidAmerican Energy Holdings Co, the largest of a growing list of businesses to adopt the name of the company run by billionaire Warren Buffett.