The 2007 HUMMER H3 is a highly versatile midsize SUV and the addition of an E85-capable 5.3L V-8 increases its versatility. E85 is an ethanol-based alternative fuel made from domestically produced renewable resources. GM engineers developed the H3 E85 FlexFuel to demonstrate that an alternative fuel vehicle can combine with stylish design for a unique, forward-thinking SUV. To highlight the H3 E85's alternative intentions, designers focused on making the H3 exterior smooth and streamlined, including the...Read.