Syntroleum Corporation (Syntroleum), along with its subsidiaries, is engaged in the commercialization of technologies to produce synthetic liquid hydrocarbons. The Syntroleum Technologies consist of air based syngas generation from natural gas, Fischer-Tropsch (FT) technology to convert syngas to FT wax, and hydroprocessing technology. The Company's hydro-processing technology is utilized either for conversion of FT wax (Synfining) or fats oils and greases (Bio-Synfining) into naphtha, diesel and liquefied petroleum gases (LPG). The Company also produces ASTM D7566, commercial jet fuel, as well as HRJ-5, military jet fuel. In June 2014, Renewable Energy Group Inc announced that its wholly-owned subsidiary, REG Synthetic Fuels, LLC acquired substantially all of the assets of Syntroleum Corporation.