Meanwhile, the research firm Frost & Sullivan predicted earlier this year that in China, hybrid cars will be truly mass-market by 2011 or 2012, with the country’s fleet beginning a minimum 10-year transition to plug-in hybrids and … Li Lu , investor and adviser for Buffett-backed BYD Auto , said during a roundtable discussion at this year’s Fortune Brainstorm Green conference, “We’ve been growing 100 percent for the last five to six years, and I have no reason to believe …