Toyota Motor Corporation, Japan's #1 carmaker, has a driving ambition to become greener. The company makes a hybrid-powered (gas and electric) sedan – the Prius – that is being snapped up in US and European markets. Its gas-powered cars, pickups, minivans, and SUVs include such models as Camry, Corolla, 4Runner, Land Cruiser, Sienna, and a full-sized pickup truck, the V-8 Tundra.