The General answered BMW's media win last week with a hydrogen-car announcement of its own, yesterday. Chevrolet is launching a fleet of 100 Equinox fuel cell vehicles in 2007, creating what the company says is the world's largest hydrogen-powered fuel cell fleet. The SUVs will find homes with customers in California, the New York metro area and Washington, DC. It's all part of something GM calls "project driveway," which may or may not refer to the place such SUVs will be parked as their drivers search for somewhere to fuel up. Click through for press materials.