The most aerodynamic car, Hyundai hydrogen big rig, Tesla Model 3 as NYC taxi: Today’s Car News

Lightyear OneHyundai revealed its own semi concept, aiming to go big with hydrogen fuel-cell tech. A lightweight electric off-roader shows the potential from just one supplier. The Tesla Model 3 gets the nod for New York yellow cab duty. And the Dutch Lightyear One electric car might hold a new record for aerodynamics. This and more, today at Green Car...