A New Zero Calorie 'Drink' Source: CoolAge Coca-Cola (NYSE:KO) and Pepsi (NYSE:PEP) may have some new competition in China. The Chinese multimillionaire Chen Guangbiao has put his entrepreneurial spirit to work so that he can profit from helping people suffering from the recent hazardous smog conditions in Beijing and other parts of eastern China. The World Health Organization recommends that levels of pollution measured in terms PM2.5 -- or particulate mater 2.5 micrometers in diameter -- should not exceed levels of 20. A level over 300 represents a serious health danger yet Beijing often breaches 500. Recently the city ...