Ah yes… summer in the UK. That magical time of year when the roads are busier, the cab feels like a greenhouse by 9am, and every driver suddenly becomes an expert meteorologist.

Clean Air Zones (CAZs) are being rolled out across the UK to reduce harmful emissions in towns and cities. For communities, the benefits are clear: cleaner air, healthier lives, and progress towards environmental goals. But for road haulage operators, the reality is far more complicated.