India is boosting the share of domestic coal used in power plants designated to run on imported fuel, as rising local coal production and expanding renewables have helped to cut coal imports to multi-year lows. India has raised the use of domestic coal to 50% at many power plants that have typically run on imported coal, industry and government officials told Reuters on Wednesday. Power producers are currently running the coal-fired power plants on a mix of imported and domestic coal, and some plants have hit a 70% share of domestic coal, according…