Reuters: The government proposed on Friday a small tax on production of coal to raise millions of dollars for a National Clean Energy Fund that could help the world’s fourth biggest polluter to shift to a low-carbon economy. India’s growing economy has huge potential to shift to a low-carbon future, given that about 500 million Indians, or about half the population, do not have access to electricity, relying on fossil fuels such as coal to expand the power grid. With global focus now on …