In the U.S., the term ¿big oil co.¿ is likely to be taken to mean the major private international oil co., largely based in Europe or America. However, while
National Oil Companies (NOCs) directly or indirectly control the majority of oil and gas reserves. As such, they are of great consequence to their country's eco
In the United States, the term "big oil companies" is likely to be taken to mean the major private international oil companies, largely based in Europe or Ameri