Hummer is hoping to transform their gas-guzzling image an go green by giving each of their models a flex-fuel variant, and the latest application of that principle is seen on the 2010 H3 and H3T. Interestingly, the engine that gets the E85 capability is the largest and most powerful option: the 5.3-liter V8 as fitted to the top-level Alpha series – not the slightly more fuel efficient inline-five. Hummer CEO James Taylor says this is just the beginning to Hummer’s greener initiatives.