The fuel you purchase from one company's gas station may actually come from several other companies' refineries. The significant difference between each company's gasoline is the additives package that company adds. read more
Arco usually has the lowest price because it does not take charge cards and also it forces the gas customers to come inside and spend more money on snacks. The Chevron Techron advertisements are effective to make customers believe that the additive makes the gasoline higher quality. read more
Personally some stations gas seems to make my cars run much worse. I can say that my mileage can vary by as much as 4 miles to the gallon based on where I get my gas. So I pay more to go to those stations that consistently have provided me good gasoline. However higher prices do not necessarily mean better gas. read more
Gas stations charge more when you use your credit card than when paying cash or debit because credit card companies charge them a fee for the service. So if you don't find that paying the fee is worth that service, pay cash, this way you don't pay any fee, and everyone is happy. read more