Fiat 500 TwinAir on Fifth Gear – Click above to watch the video after the jump

The more cylinders, the better. Right? That's exactly the kind of conventional wisdom that's being turned on its head with the green revolution. Everything from hatchbacks to muscle sedans are dropping pistons like clumsy engine-plant workers these days. But what about the TwinAir engine on the Fiat 500? Have the Italians taken things too far?

That's what the crew over at Fifth Gear have set about figuring out. The other British car show took the latest Cinquecento – all two cylinders of it – out for video review. So how did it fare? Follow the jump to watch the segment for yourself and find out.