Definition: Brown coal - Lignite

Transport

A non-agglomerating coal with a gross calorific value of less than 23 860 kJ/kg (5 700 kcal/kg) in a condition free of wet ash and containing more than 31 per cent volatile matter on a dry mineral free basis.

This definition is identical in the third and fourth version of the Transport Glossary. http://ec.europa.eu/eurostat/ramon/other_documents/transport_glossary_4_ed/index.cfm?TargetUrl=DSP_TRANSPORT_GLOSSARY_4_ED Eurostat, ECMT, UN/ECE, "Glossary for Transport Statistics", 3rd Edition, Luxembourg 2003