The McMinnville Board of Mayor and Aldermen voted unanimously to accept the lowest bid for seven police cars Tuesday night after city attorney Tim Pirtle advised the aldermen one of their own ordinances forbids them from accepting a higher bid, even though it actually establishes a preference for buying locally.The low bid came in from Chevrolet of Murfreesboro at $20,561 per car for a total of $143,927. Initially two aldermen, Junior Medley and Rick Barnes, had suggested buying the cars locally from Edd Rogers Chevrolet, even though its bid was $686 higher per vehicle for the same car, for a total of $4,802 more for the city to buy locally.“I like doing business locally,” said Medley at the Feb. 14 Safety Committee meeting. “I’m not against any of the people here.