Here's a small review of the 2010 Hummer H3 and H3T, including the original press release and some photos.

"All 2010 Alpha series’ models will be powered by a 5.3L V8 Flex Fuel engine rated at 300 hp and 320 lb.-ft. of torque. The engine is mated to a Hydra-Matic 4L60 electronically controlled four-speed automatic transmission. Is not much of a green car, but according to James Taylor..."

You can read the whole article on TopSpeed.