U.S. Energy Information Administration logo
Skip to sub-navigation

Glossary

This page has no sub-navigation. Skip to page content.
A B C D E F G H I J K L M N O P Q R S T U V W XYZ

Browse terms related to these fuel groups:alternative fuels|coal|electricity|natural gas|nuclear|petroleum|renewable

Hydrocarbon gas liquids

Hydrocarbon gas liquids (HGL):  A group of hydrocarbons including ethane, propane, normal butane, isobutane, and natural gasoline, and their associated olefins, including ethylene, propylene, butylene, and isobutylene. As marketed products, HGL represents all natural gas liquids (NGL) and olefins. EIA reports production of HGL from refineries (liquefied refinery gas, or LRG) and natural gas plants (natural gas plant liquids, or NGPL). Excludes liquefied natural gas (LNG).

Top