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Autorack, in American English usage, a railroad car for transporting automobiles and light trucks •
Car transporter (rail), in UK English usage, a flat wagon railroad car for transporting automobiles and vans •
Car carrier trailer, a trailer or semi-trailer designed to transport passenger vehicles via truck •
Roll-on/roll-off, a ship designed to transport wheeled cargo, including new cars and other motor vehicles •
Auto Carriers Ltd., now AC Cars, a British automobile manufacturer •
SS Autocarrier, launched 1931, the first
container ship ==Biology==