United Press International: The Indian government proposed a coal tax Friday aimed at creating a fund for promoting clean energy. Indian Finance Minister Pranab Mukherjee said a clean energy tax of $1 per metric ton would be applied to domestic and imported coal. The minister also proposed tax incentives to boost investment in solar, wind and geothermal power generation. The National Clean Energy Fund, Mukherjee said, is being created to fund research and innovative projects in clean energy …