Data Links

U.S. Crude Oil Rotary Rigs in Operation (Number of Elements) - EIA

http://www.eia.gov/dnav/ng/hist/e_ertrro_xr0_nus_cm.htm

 

U.S. Gas Prices - EIA

http://www.eia.gov/dnav/pet/hist/LeafHandler.ashx?n=PET&s=EMM_EPM0_PTE_NUS_DPG&f=W

 

What We Pay for in a Gallon of Regular Gasoline

http://www.eia.gov/petroleum/gasdiesel/gaspump_hist.cfm