No, it's not some kind of mysterious truck tank -- you've just stood in the shadow of a heavy-duty dually truck. A dually, or a dual rear-wheel truck (DRW) if you prefer the official nomenclature ...

As is the case with most police ... Chevrolet is now one of the world's largest car brands, doing business in more than 140 countries and selling more than 4.9 million cars and trucks a year.

Chevy will also be showing off the towing potential of its new Silveardo, with the HD Dually tow vehicle (above, right). When it hits the show floor, the show truck will have a trailer with the ...