Warren Buffet invests in Chinese battery & electric car maker September 30 2008 / by Garry Golden Category: Environment Year: General Rating: 4 Add Warren Buffet’s latest investment to the list of major news indicators that fuel forecasts saying that the dominant days of the combustion engine are coming to an end. (Read GM to Combustion Engine-R.I.P.) Through his Berkshire controlled MidAmerican Energy, The Oracle of Omaha has invested $230 million for a 10% stake in China’s car and battery maker BYD. BYD could soon become a global leader in electric propulsion auto systems and a mainstream vehicle brand.