Product	Use
ethane	usually left in the methane stream; can be used as a feedstock in an ethylene plant; petrochemical raw materials (plastics, refrigerants, solvents)
propane	the most widely known and largest component of LP Gas; used in furnaces for residential and commercial heating, in stoves, BBQ, lanterns and gas lamp and in vehicles as a motorfuel; chemical feedstock for propylene production
normal butane	motor gasoline additive to increase vapour pressure and to provide octane; chemical feedstock for isomerization plants
iso butane	once used entirely as the main feedstock for a refinery's alkylation process, it is now coveted by manufacturer's of MTBE, an environmentally safe octane additive, as their main feedstock
condensate	the pentanes and heavier are usually blended into gasoline