A quiet revolution is underway on Britain’s streets, driven not by policy, but by practicality. The rumble of diesel engines, long the soundtrack of trade and commerce, is facing a rising tide of curiosity – and a surge in online investigation.

A quiet revolution is underway on Britain’s streets, driven not by policy, but by practicality. The rumble of diesel engines, long the soundtrack of trade and commerce, is facing a rising tide of curiosity – and a surge in online investigation.
