Electric vehicle sales are finally starting to take off in larger numbers, surpassing 1 million in 2017 after growing 56 percent from a year before. By 2020, sales are expected to rise to about 4 million and before jumping to 21.5 million in EV sales by 2030. The grow rate of EV sales has been rather high for several years, but always from a low base. Now that base is starting to build, making the additions more meaningful. The global EV stock grew above 3 million last year, but could triple to 13 million over the next two years, according to a new report from the International Energy Agency. Electric buses are also making rapid headway, with the stock rising to 370,000 units, almost exclusively because of China. The falling cost of batteries is a crucial ingredient in the acceleration of EV sales. The high cost of batteries are […]