China is pulling ahead in worldwide race for high-speed rail transportation By Keith B. Richburg Washington Post Staff Writer Wednesday, May 12, 2010; A08 QINGDAO, CHINA -- Last year, China surpassed the United States as the world' s largest automaker. The country is aggressively making jets to compete with Boeing and Airbus. And in recent years, with little outside notice, China made another great leap forward in transportation: It now leads the world in high-speed rail. High-speed trains were