General Motors Co (NYSE: GM) has signed a joint development agreement with Autocar Industries, LLC, to create a range of zero tailpipe emissions vocational vehicles powered by GM's HYDROTEC power cubes. The initiative is expected to help Autocar in offering zero tailpipe emissions solutions to customers. Fuel cells combine hydrogen and oxygen to generate electricity through an electrochemical reaction. The fuel cell enables the conversion of energy stored in hydrogen into ...Full story available on Benzinga.com