In an In Depth series this week , CNN explores why gas prices have shot upward again . CNN 's Mark Whitaker : The price of a gallon of regular gasoline has jumped more than 10 cents in the past two weeks to $3.978 per gallon. CNN will also look at how rising tensions with Iran play into energy prices . And on her prime-time `` OutFront '' show , Erin Burnett will step back and look at the global market for oil , examining where all the demand is coming from and how a global thirst for oil as far away as China for can affect the price you pay at your station around the corner . Also , two critical primaries are coming up Tuesday -- Michigan and Arizona .
In an In Depth series this week , CNN explores why gas prices have shot upward again . CNN 's Mark Whitaker : The price of a gallon of regular gasoline has jumped more than 10 cents in the past two weeks to $3.978 per gallon. CNN will also look at how rising tensions with Iran play into energy prices . Also , two critical primaries are coming up Tuesday -- Michigan and Arizona .