Posted By: Alex Crippen A subsidiary of Warren Buffett's Berkshire Hathaway is making a $230 million investment in a Chinese battery company that's developing environmentally-friendly cars to be sold around the world. In a news release, Berkshire's MidAmerican Energy Holdings says it has agreed to buy a 10 percent stake in BYD Company Limited, which trades on Hong Kong's stock exchange. Read More Topics: Automobile Industry | Energy | Alternative Energy | Warren Buffett Sectors: Automobiles and Parts Companies: Constellation Energy Group Inc | Berkshire Hathaway Inc. MEDIA: PHOTO Permalink ...