Vehicles for urban air mobility (UAM), such as electric air taxis that lift off vertically, perform much worse than we may think in categories such as travel times, costs and emissions, a new study has found. Researchers from Germany’s Leibniz Centre for European Economic Research (ZEW) in Mannheim who reviewed the results of 11 studies on UAM found that air taxis barely manage to slash travel times, while costs and carbon dioxide emissions are higher compared to electric cars. The scientists concluded that UAM aircraft could be beneficial “primarily for emergency missions and connecting remot…