A woman walking past the folded Armadillo-T, a foldable electric vehicle, at the Korea Advanced Institute of Science and Technology in Daejeon, south of Seoul. With a click on a smartphone, the experimental “Armadillo-T” electric car made in South Korea will park itself and fold nearly in half, freeing up space in crowded cities. The quirky two-seater is part of a trend of developing environmentally friendly vehicles for urban spaces.