Analysis: Is shale oil a cost effective switch or just a dent in our wallets?

ExxonMobil oil refinery, Baton Rouge, Louisiana, by WClarke [CC BY-SA 4.0]Shale oil's prevalence in the American oil market may present a large obstacle for rising fuel economy standards. Shale oil creates gasoline with a lower octane rating than gasoline created by conventional crude oil. This is due to higher concentrations of elemental components such as Naphtha present in the shale. Some automakers are pushing to...