Coal India was rated as the biggest pure coal
mining company in the world.
Separately, the largest pure coal
mining company in the world, Coal India, climbed to 38[sup.
The top inch of turf was pure coal
dust,'' writes Frank.
It is certainly better than burning pure coal
but coal mine methane is by no means a renewable energy source,' Greenpeace's senior research scientist Paul Johnston said.
Environmental Protection Agency (EPA) exempted pure coal
ash from Subtitle C of the Resource Conservation and Recovery Act (RCRA), which regulates disposal of hazardous waste.