The idea to use fuel cells as range extenders for electric cars is gaining in popularity. Now, Magna International presented its own approach during the 37th International Motor Symposium in Vienna, Austria, at the end of April. As a base component, the Austrian automotive supplier uses a medium-size van, which can go 90 kilometers (56 miles) on electricity alone. But when the battery charge drops below a certain threshold, the fuel cell is turned on to regenerate the power storage