Sales of battery electric cars (BEVS) are on the rise across Europe and according to the annual Global Electric Vehicle Outlook, more are sold each week now than in the whole of 2012. But despite the increasing popularity, shortages of key components for batteries, including lithium, nickel and cobalt, could threaten supply. So, is it time to focus on hydrogen-based energy? In contrast to Europe where there are only a handful of hydrogen cars for sale and around 228 refueling stations, Asia is betting on hydrogen. The high-speed railway that’s uncoupling the Baltic states from Russia and their…