Changes

'''Big Oil''' is a term some use to describe the major petroleum companies such as ExxonMobil, ChevronTexxaco, British Petroleum and others.   

'''Big Oil''' is a term some use to describe the major petroleum companies such as Exxon-Mobil, Chevron-Texaco, British Petroleum and others.   

Oil is used as a raw ingredient in the production of gasoline, heating oil and plastics.<ref>Pipeline Fact Sheet[http://primis.phmsa.dot.gov/comm/FactSheets/FSProductList.htm]</ref>

Oil is used as a raw ingredient in the production of gasoline, heating oil and plastics.<ref>Pipeline Fact Sheet[http://primis.phmsa.dot.gov/comm/FactSheets/FSProductList.htm]</ref>