WESTFIELD — At its meeting on Oct. 6, the Planning Board approved a special permit for private sales of luxury motor vehicles at 798 Airport Industrial Park Road, which is zoned Business B and Water Resource. Saharra Pensivy of Florence presented the request on behalf of John Morin. She said the purpose and intent of the business was to buy luxury vehicles that would be held for a period of time, depending on their value, and sold to private own…