Scalpels, not sledgehammers, for clean air strategies

As cities mull diesel bans they risk losing out on what could prove a pivotal contribution to clean air targets. Since tighter vehicle test procedures kicked in across Europe, the real-world emissions levels from new diesel vehicles have dropped dramatically. Independent testing specialist Emissions Analytics believes that greater transparency on the real driving emissions (RDE) figures could steer shoppers - and policy makers - in a new direction.