Spurred by the increasingly serious air pollution problem, the Chinese government has launched a series of policies to put forward specific measures of power structure adjustment and the control objectives of air pollution and coal consumption. Other policies pointed out that the coal resources...

Almost all the villages consisting of more than 20 households in Iran have been grid-connected by 2010 according to the Forth Five-Year Economic Development Plan (2005–2010) of the Iranian government; however, there are many isolated communities with less than 20 households that are still in...