Dog-powered scooters hit the road

Got a strong, athletic dog who likes to pull and needs lots of exercise? Portland dog lover and outdoor enthusiast Mark Schuette has invented the Dog-Powered Scooter, a hybrid exercise system for dogs and owners. The harness design allows the dog to be strapped into the side, powering the scooter by running while the rider steers and brakes. Schuette says the activity might be described as "urban mushing.”

"It's a dog-human team sport," Schuette told CNN earlier this year."You can take it downtown or on mountain biking trails." Learn more at