Expansion eyed as Chattanooga's downtown electric buses reach milestone

photo Joe Askew, an electric shuttle driver for seven years, transports area residents and visitors throughout downtown Chattanooga on a loop from the Chattanooga Choo Choo to the Visitors Center. CARTA's electric shuttle turns 20-years old today.

BY THE NUMBERS969,000: Shuttle trips to the Tennessee Aquarium483,000: Gallons of diesel fuel saved in 20 years194,000: Pounds of tailpipe emissions savedSource: CARTA

Alex Volz, of California, rode Chattanooga's shuttle with his niece last week to get around downtown.

The preschooler gets excited about riding the free, all-electric buses, even learning the names of drivers, he said.

"It