Britain’s most polluting and cleanest cars have been revealed. But they are nowhere near as dirty as those on American roads. In the USA, the Jeep Grand Cherokee Trackhawk 6.2V8 Supercharged 4x4 emits 3,319kg of CO2 annually, closely followed by the Ford F-150 Raptor and Mercedes-Benz G-Class G 63AMG. In Britain, the Range Rover Sport 3.0 HSE DV6 pushes out 1,607kg of CO2 a year, the BMW X5 … [Read more...]