Each April, the world’s top auto executives and engineers fly to China’s main auto show to take stock of BYD, the electric car powerhouse that passed Tesla in global sales last year. But at the Auto China event now happening in Beijing, another name is commanding attention: Zhejiang Geely Holding Group. In an unexpected development, Geely beat BYD in sales in the first two months of the year and is rapidly broadening its lineup. Geely is now pushing overseas, more than doubling exports to Europe, the Middle East and elsewhere…