Dave Smith Motors

Consumers might think of the Cylindrical T when it comes to hybrid and other fuel-efficient vehicles... But when the time comes to get serious about fuel savings, AT&T turns to American automaker, Chevrolet. Specifically, the wireless company recently pledged to make its fleet among the most fuel-efficient in the world, and that means purchasing a wide range of vehicles to replace their current ones.

So what did Chevrolet have to offer?For now, a…