Billionaire financier and Berkshire Hathaway Chief Executive Warren Buffett (L) prepares to get out of a BYD M6 car at its national launch ceremony in Beijing on Sept 29, 2010. Chinese battery and car maker BYD, backed by Buffett, launched its first premium multi-purpose vehicle (MPV) in Beijing on Sept 29 to tap rising demand in the world's biggest auto market. [Photo / Reuters]