1) General Motors owned the Hummer brand from 1999 but struggled with losses totaling $82 billion from 2005-2008 due to high gas prices and the recession. 2) In 2009, GM filed for bankruptcy and planned to shut down the Hummer brand in 2010. 3) The Chinese company Tengzhong expressed interest in acquiring Hummer but faced challenges including lack of experience in the automotive industry, difficulties obtaining approval from Chinese authorities for overseas investment, and high costs associated with retooling production to meet fuel efficiency standards.