For some reason, diesel cars have never been seen as exciting as their petrol equivalents. And, despite regular upgrades to diesel performance, it’s a legacy they’ve not been able to shake off. But here’s the thing: there’s a lot of reasons to love diesel cars. They’re no longer the grunting, dirty beasts they used to be. They’re refined and altogether civilized. In fact, they’re so civilized they are fast becoming the choice of business users all over the country. Let’s find out why.