China's highflying EV industry is going global. Why that has Tesla and other carmakers worried

TAIPEI, Taiwan — The U.S.-China rivalry has a new flashpoint in the battle for technology supremacy: electric cars. So far, the U.S. is losing. Last year, China became the world's foremost auto exporter, according to the China Passenger Car Association, surpassing Japan with more than 5 million sales overseas. New energy vehicles accounted for about 25% of those exports, and more than half of those were created by Chinese brands, a shift from the traditional assembly role China has played for foreign automakers. "The big growth has happened in the last three years," said Stephen Dyer, head of the Asia…