I drove the new Defender Octa with mighty twin-turbo V8, air suspension, ventilated seats and a mini-fridge

THERE was no way I was leaving the world’s fastest playground without having a go myself. So here’s me, in a 540hp Defender Octa, following in the wheel tracks of speed king Andy Green. Just point the car at the left edge of “Floating Mountain”, which is a tiny dot on the horizon of Bonneville…