The Armadillo-T, a foldable electric vehicle, is parked at the Korea Advanced Institute of Science and Technology (KAIST) in Daejeon, south of Seoul Sept 2, 2013. [Photo/Agencies]

A woman walks past the folded Armadillo-T, a foldable electric vehicle, at the Korea Advanced Institute of Science and Technology (KAIST) in Daejeon, south of Seoul Sept 2, 2013. [Photo/Agencies]