I thought this was a typo. In the Chicago area, all the Amoco stations were rebranded BP before the Deepwater Horizon disaster. They remained BP afterwards to t

I thought this was a typo. In the Chicago area, all the Amoco stations were rebranded BP before the Deepwater Horizon disaster. They remained BP afterwards to the best of my recollection. ARCO is apparently a gas station brand owned by Marathon but also resells BP in a few west coast states. Amoco, ARCO… naming things is hard I guess even outside computer science.