Historically, gasoline has cost more than diesel, which is a byproduct of the oil refining process.

FORBES: America's Oil Export Problem (Yes, Export)

Namely, beyond foregoing the obvious benefits that come from value-added processing such as refining (gasoline sells a lot more per gallon than the cost of a gallon of crude oil), we are incurring secondary costs that impact, in part, the very environment that radical environmentalists are trying to protect.

FORBES: The Hidden Price Of Radical Environmentalism