 WESTCHESTER, Ill.--BUSINESS WIRE--IAA, Inc. NYSE: IAA, a leading global digital marketplace connecting vehicle buyers and sellers, today announced that its UK-based business unit is expanding its fleet of vehicle transporters. Investments include a new fleet of multi-car transporters and specialist two-car transporters. Now featuring galvanised bodies for longer vehicle life, these additions to IAA UKs transporter fleet may be utilised several times per day to collect up to six vehicles at 