At the end of 2023, there were nearly 34,000 licensed ultra-low emission vehicles registered in Wales, which represents 1.7% of all licensed vehicles.
Ar ddiwedd 2023, roedd bron i 34,000 o gerbydau allyriadau isel iawn wedi eu trwyddedu yng Nghymru, sy’n cynrychioli 1.7% o’r holl gerbydau trwyddedig.