Tag: coal types

January 8, 2019

Coal 101: The 4 Coal Types and Their Uses

There are four main coal types: lignite, sub-bituminous, bituminous and anthracite. Here's a look at their characteristics and uses.
April 9, 2013

Coalbed Methane: An Unconventional Energy Solution

As natural gas prices in Asia continue to rise, more investors are shifting their attention to coalbed methane, a commodity...