Time to ditch the diesel SUV?

Does petrol-electric hybrid power rather than diesel make sense to drivers of large SUVs?

The new BMW X5 hybrid is blissfully refined and quiet in its all-electric running mode
The cars green credentials make for eye-opening reading

There are plenty of ways to test a car thoroughly, from battling with city centre traffic to lolloping along the motorway for a few hours or even grabbing a few laps of Mondello race track. We try to put each of our test cars through conditions that are relevant ...