Auto carrier

Auto carrier or car carrier or car transporter or auto transporter can refer to:

Transportation

1. An autorack (a railroad car), called a car transporter in UK English.
2. A car carrier trailer, in other words a semi-trailer especially designed to carry automobiles, vans, or pickup trucks.
3. A roll-on/roll-off ship that transports new cars.
4. Auto Carriers Ltd UK car maker from 1911 to 1922, thereafter A.C. Cars Ltd.

Biology

1. Autotransporter protein (see Type V secretion system, T5SS)
2. Autotransporter domain