EIA - EIA forecasts that total fossil fuels production in the United States will average almost 73 quadrillion British thermal units (Btu) in 2018, the highest level of production on record. EIA expects total fossil fuel production to then set another record in 2019, with production forecast to rise to 75 quadrillion Btu.

Over the past five years, rapid growth in U.S. onshore natural gas and oil production has led to increased volumes of natural gas plant liquids (NGPL) and liquefied refinery gases (LRG).