Search giant pressures policy makers with an analysis arguing that government and business can clean the U.S. energy supply while stimulating the economy. Martin LaMonica is a senior writer covering ...

Natural gas refueling station builder and operator Clean Energy Fuels Corp. (NASDAQ: CLNE) has proven a difficult company for many investors to follow and measure. With a regular history of reporting ...

The past eight years have created a strong record of growth for clean energy technologies that reflects President Barack Obama’s energy policies and the market conditions they encouraged. A rooftop is ...