Fault? Some would look at it is a way to make money, and that is whose fault it would be. The rest of us would love to have cheap fuel forever. Not gonna happen.
There is no one person, or even a small group of people, who can truly control oil prices. There is no fault for the prices when they are up, and there is no credit when they are down, either.
The literal fault lies with the individual seller who chooses to raise price. The ability of the individuals to do that is the fault of the buyers who still buy even when the price goes up. So, it is your fault.
OPEC genius oil boy . Pipelines May create jobs and transport oil but I guess you don't know where that oil is going do you. Not all oil is equal and some is easier to refine there Mister geologist