Ultra Low Emissions Vehicle (ULEV) meaning

Describes a car or light van promoted for very low tailpipe emissions, used in policy, contracts, procurement and tax to identify cleaner vehicles for incentives or restrictions. In UK practice, “ultra low emission vehicle” is not a single statutory term; government and industry commonly treat it as a vehicle emitting no more than 75 g of CO2 per kilometre on the World Harmonised Light Vehicle Test Procedure (WLTP), though individual regimes set their own criteria (for example, thresholds of 50 g CO2/km or zero‑emission plus a minimum electric range for grants, capital allowances or company car tax). Usage is broadly consistent across England and Wales, Scotland and Northern Ireland. In Ireland, similar concepts are applied (often described as zero‑ or low‑emission vehicles) under national tax and grant schemes, with thresholds fixed by those instruments rather than by a general definition. The term is typically encountered in fleet procurement specifications, concessionary schemes administered by OZEV/SEAI, vehicle taxation (VED/VRT and benefit‑in‑kind rules) and access/charging policies for clean air or low emission zones. Do not confuse with London’s Ultra Low Emission Zone (ULEZ), which is a geographic charging scheme.