Since the previous one went off line and much LDV van owners asked where it went and why, I set up the new ldvsherpauk forum.
Hopefully that'll be as helpful as the previous has been to me...
Vehicles (apart from ambulances) used by organisations providing transport for the disabled.
Mobility scooters, powered wheel chairs and invalid carriages
They must have a maximum speed of 8mph on the road, and be fitted with a device limiting them to 4mph on footways.
Historic vehicles
You don’t have to pay vehicle tax on vehicles made before 1 January 1973 (known as ‘historic vehicles’).
Electric vehicles
The electricity must come from an external source or an electric
storage battery not connected to any source of power when the vehicle is
moving.
Mowing machines
The mower must be designed, constructed and used just for cutting grass. It does not include tractors used to tow gang mowers.
Steam vehicles
You don’t have to pay vehicle tax on any steam-powered vehicle.
Vehicles used just for agriculture, horticulture and forestry
This includes tractors, agricultural engines and light agricultural
vehicles used off-road. It also includes ‘limited use’ vehicles used for
short journeys (not more than 1.5 kilometres) on the public road
between land that’s occupied by the same person.