Plot: REVIEWS: Vandenbrink Carver • Volvo S60 R • GM HyWire • Vauxhall Signum James drives the Hy-Wire, a hydrogen-powered concept car and Jeremy tries the new Volvo S60 R - claimed by Volvo to be a rival for the BMW M3. He also drives the new Vauxhall Signum, from the back seat using a hoe and string