Guidance

Driving an electric or hydrogen-powered vehicle

Information on weight limits and how to safely drive zero emission vehicles that have a maximum authorised mass between 3,500kg and 4,250kg.

• From: Office for Zero Emission Vehicles
• Published: 27 May 2025

Documents

Driving an electric or hydrogen-powered vehicle

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Change to driving licence entitlement for zero emission vehicles from 10 June 2025

From 10 June, if you hold a category B driving licence, you can drive an electric or hydrogen-powered vehicle with a maximum authorised mass (MAM) of up to 4,250kg. The vehicle must be a zero emission vehicle.

The normal MAM limit for petrol and diesel vehicles with a category B licence is 3,500kg.

This guidance provides more information about the MAM limits for zero emission vehicles and safety advice for using these heavier vehicles, including:

• driving the vehicle
• preparing the vehicle for use
• towing safely

Read separate guidance about:

• vehicle weights explained
• which categories of vehicle you can drive with your licence

Published 27 May 2025