http://inspire.ec.europa.eu/codelist/CommodityCodeValue/liquidHydrocarbonsINSPIRE Registry teamJRC-INSPIRE-SUPPORT@ec.europa.euhttp://inspire.ec.europa.eu/registry2015-08-18 18:07 PM CEST2015-08-18 18:07 PM CESTliquidHydrocarbonsliquidHydrocarbons consist of hydrocarbons of various molecular weights and other liquid or semi-solid organic compounds.http://inspire.ec.europa.eu/codelist/CommodityCodeValue/asphalt2015-08-18 18:07 PM CEST2015-08-18 18:07 PM CESTasphaltAsphalt or bitumen is a sticky, black and highly viscous liquid or semi-solid form of petroleum. It may be found in natural deposits or may be a refined product http://en.wikipedia.org/wiki/Asphalthttp://inspire.ec.europa.eu/codelist/CommodityCodeValue/oil2015-08-18 18:07 PM CEST2015-08-18 18:07 PM CESToilOil or petroleum consists of hydrocarbons of various molecular weights such as alkanes (pentane, hexane, heptane, octane) and other liquid organic compounds, typically recovered from drilling of underground reservoirs. http://en.wikipedia.org/wiki/Petroleumhttp://inspire.ec.europa.eu/codelist/CommodityCodeValue/oilShale2015-08-18 18:07 PM CEST2015-08-18 18:07 PM CESToil shaleFine-grained sedimentary rock, yielding significant quantities of oil upon decomposition by heating to high temperatureshttp://inspire.ec.europa.eu/codelist/CommodityCodeValue/tarSand2015-08-18 18:07 PM CEST2015-08-18 18:07 PM CESTtar sandMedium-grained sedimentary rock, yielding significant quantities of tar or oil upon decomposition by heating to high temperatures