An anonymous reader shares a report from the International Energy Agency: The number of electric cars on the roads around the world rose to 2 million in 2016, following a year of strong growth in 2015, according to the latest edition of the International Energy Agency’s Global EV Outlook. China remained the largest market in 2016, accounting for more than 40% of the electric cars sold in the world. With more than 200 million electric two-wheelers and more than 300, 000 electric buses, China is by far the global leader in the electrification of transport. China, the US and Europe made up the three main markets, totaling over 90% of all EVs sold around the world. Electric car deployment in some markets is swift. In Norway, electric cars had a 29% market share last year, the highest globally, followed by the Netherlands with 6.4%, and Sweden with 3.4%. The electric car market is set to transition from early deployment to mass market adoption over the next decade or so. Between 9 and 20 million electric car could be deployed by 2020, and between 40 and 70 million by 2025, according to estimates based on recent statement from carmakers. Read more of this story at Slashdot.