The signs on the Maxtrix boards has this message on it...   http://bit.ly/0114air   Have your say.   What are people's thoughts on the Sheffield Clean Air Zone?   As a taxi, I obviously object to it as completely ludicrous and unfair! The general consensus I see on social media is yes they agree with it, because they dislike taxis.   I tell them, 'you'll be next'. They are just doing it this way around to get away with it. If this was ALL vehicles exc