In general, the new rules mean petrol cars made before 2005 and diesels built before September 2014 will not be allowed in the zone.
Mr Paton added that about 35% of the vehicles that come into his garage are considered "high-polluting" under the new rules, meaning he could lose a third of his customers. Donald McLeod, of the Night Time Industries Association, said the new regulations were creating a "low economy zone". A homeless charity which said the zone would affect its ability to feed vulnerable people in the city centre received an exemption on Wednesday evening.
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