Althernative Fuel http://wemu.org en Michigan Researcher Suggests Shifting Greenhouse Focus http://wemu.org/post/michigan-researcher-suggests-shifting-greenhouse-focus <p><span style="line-height: 1.5;">&nbsp;&nbsp;</span>A University of Michigan professor says improving the fuel efficiency of cars is a good thing, but he warns that alternative fuel vehicles are not the greenhouse gas "silver bullet" some make them out to be.&nbsp; WEMU's Bob Eccles has the story.</p><p></p> Mon, 17 Jun 2013 18:49:54 +0000 Bob Eccles 30976 at http://wemu.org Michigan Researcher Suggests Shifting Greenhouse Focus