What is emissions based parking?

Drivers in the English city of Bath may have noticed new parking charges this week. The cost of parking a car in one of the council’s car parks now varies depending on what you drive.

Electric cars and small cars with low emissions pay the current price of £1.70 an hourMost petrol cars will pay £2 an hourDrivers of diesel cars will pay £2.30The biggest diesel SUVs face the highest charges at £2.50 an hour

That’s a snapshot of what is quite a complicated set of variable price...