“Just be careful where your back end is going,” says the instructor as this reporter nervously steers a 44-tonne articulated Volvo lorry on a roundabout. It is good advice at roundabouts, as in life. The trailer rolls past the safety barrier with a barely visible gap, to the relief of everyone involved.
It is a manoeuvre played out across the world countless times each day as lorries lug the goods required for modern life from factory to consumer. However, this truck is slightly different: instead of a diesel engine, it is running on natural gas.
