6+ hour, 29+ min ago (660+ words) A worker in white gloves checks out the propellers of a boxy two-seater aircraft just off the assembly line at a Chinese factory trialling the mass production of flying cars, a futuristic type of transport slowly gaining recognition. Globally, technical and regulatory challenges have prevented the much-hyped flying car sector from getting off the ground. But Chinese companies are building on the rapid development of drones and electric vehicles in the world's second-largest economy, while harnessing government support for the futuristic inventions. "China has the potential to establish a competitive edge" for flying cars, said Zhang Yangjun, a professor at Tsinghua University's School of Vehicle and Mobility. "Future competition will increasingly hinge upon cost control and supply-chain efficiency, and these are areas where China holds clear advantages," he told Agence France-Presse (AFP). At the brightly lit factory in Guangzhou's southern…...