Anthracite coal is the hottest burning fuel in comparison to the most com- mon ones in use. Due to its low sulfur content, Anthracite coal produces virtually no smoke or particulate emissions. This is a major problem with cord wood and pellet burning stoves.

What is the longest burning coal?

The longest-burning fire in the world yet discovered is a burning coal seam in New South Wales, Australia, beneath Mt Wingen. It is believed to have started around 5,000 years ago when lightning struck the coal seam where it reached the Earth's surface.

What burns longer coal or charcoal?

Coal is not very easy to light up, but after lighting, it burns for a longer time and burns hotter than charcoal. Charcoal is natural to light up but doesn't burn as hot as coal. It also does not burn for a longer time. ... But coal is very efficient in producing a high amount of heat.