In addition to the growth in light trucks and cars, sales for heavy trucks and truck trailers have risen, and there, too, fuel standards will mean more aluminum will be used to lessen the weight of the vehicles.

FORBES: Aluminum Usage In Cars To Grow -- Davenport & Co

Every few hours we saw either another car or a "road train"--a truck hauling two or three trailers.

FORBES: Where the Outback Meets the Sea

Every few hours we saw either another car or a "road train"-a truck hauling two or three trailers.

FORBES: Where the Outback Meets the Sea

The truck stop will include parking for about 168 trailers, internal access roads and footways, a gatehouse, vehicle refuelling point and kiosk and a vehicle washing facility.

BBC: Holyhead truck stop and logistics depot plan submitted

Muhammad Iftikhar, deputy superintendent of Peshawar police, told CNN that Monday's attack targeted a truck terminal on the same road where militants destroyed scores of containers, trailers and vehicles on Sunday.

CNN: Attacks prompt U.S. look at Afghan supply route