ULEZ loophole means this type of vehicle is completely exempt from paying walesonline.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from walesonline.co.uk Daily Mail and Mail on Sunday newspapers.
Many Londoners have blasted the new low emissions rules on some of the city's roads, but there are a number of exemptions and discounts available to help you avoid paying