The cumulative range of all electric cars sold worldwide in 2021 exceeds 1.9 billion kilometers, a figure that has doubled in one year, according to the consulting firm AlixPartners. Even though it is strongly influenced by the increase in sales, this “electrification index” also shows how the range of electric cars (100% electric or plug-in hybrids) continues to grow. Their cumulative range now reaches 1.2 billion miles, or more than 1.9 billion kilometers. With a little more than a billion kilometers of cumulative range, China appears to be the most mature market. Europe has 530 million cumu…