A hydrogen powered CX would excite me

You do realise that a hydrogen powered car is electric, don't you mate? There's no engine or anything, the hydrogen is just an energy storage medium just like batteries. Apart from the well to wheel efficiency drawback, there's a long way to go before they can get decent life out of the fuel cells.
I'm afraid you won't be making any V8 noises unless you buy yourself one of those gizmos
