Smoke billows from the chimneys of a power station that produces heat and electricity in southern Moscow in this December 19, 2006 file picture. Russia has launched its first major energy awareness campaign since the fall of the Soviet Union in 1991, bringing an unfamiliar sight to Moscow's streets since the start of 2007 -- billboards urging citizens to switch to energy-saving light bulbs. To match feature RENEWABLE-ENERGY/MOSCOW