"Americaâs oil shale reserves are enormous, totaling at least 1.5 trillion barrels of oil. Thatâs five times the reserves of Saudi Arabia!"
USA
GDP
2011 estimate
- Total $15.065 trillion
http://en.wikipedia.org/wiki/United_States
Saudi Arabia
GDP
$622 billion (PPP; 22nd)[1]
http://en.wikipedia.org/wiki/Economy_of_Saudi_Arabia
USA
GDP
2011 estimate
- Total $15.065 trillion
http://en.wikipedia.org/wiki/United_States
Saudi Arabia
GDP
$622 billion (PPP; 22nd)[1]
http://en.wikipedia.org/wiki/Economy_of_Saudi_Arabia
