Quick Facts While Japan, and USA, India, Italy are the biggest consumers of the fossil energy, the United States gets the largest coal supplies in the world. These five nations take into account about 76% of international is a fossil fuel, that has located a wide range of uses and purposes within the modern world. Coal was believed to sort through the carboniferous era (about 298 to 358.9 thousand years ago), from the dead vegetable and normal matter that gathered at the bottom of the water systems. It’s thought that throughout that interval, much of the Planet Earth was included in swamps and lagoons, where several vegetable species that was giant became. Due to pure processes like flood, plants as well as other natural matter got hidden at the bottom of systems that were such. Over them, more and more earth and sediments settled over an interval of occasion. As a result, the useless place and then gradually formed the peat bogs, and normal matter got condensed. The bogs were significantly hidden beneath the floor due to sediments over them’s accumulation of the Planet.