With the support of Rocky Mountain Power’s Blue Sky program, Utah's Hogle Zoo installed solar panels on the train shed to generate renewable energy and charge the Eccles Express locomotive.

There is a new addition on the tracks at the Kansas City Zoo & Aquarium. The new electric train is longer, more spacious for riders and can hold more people.

The zoo moved to its current location at 10001 W. Blue Mound Road in 1958, and it's now the go-to summer destination for tons of families who flock to the playground, ride the train, collect the ...