UK car buyers face 'lottery' with both ultra-clean and ultra-dirty diesels on sale

New data suggests worst cars are now 32 times more polluting than the best - risking all diesels being banned from cities, say expertsUltra-dirty new diesel engines are being sold alongside ultra-clean models in the UK, according to new data, leaving car buyers facing what experts call a "nightmare".On-the-road tests by testing firm Emissions Analytics found that new models of Mercedes-Benz CLS, Seat Arona and Citroen DS 7 produced tiny amounts of pollution, up to 75% below the official EU limit. Continue reading...