Even name-brand gas stations can and will sell you off-brand fuel

Just because you're filling up at a Shell doesn't necessarily mean it's dispensing Shell fuel.
CNBC

Shell in talks to sell Malaysia fuel stations to Saudi Aramco, Reuters sources say

Energy giant Shell is in talks with Saudi Arabia's state-owned Saudi Aramco to sell its gas station business in Malaysia, the second-largest such network in the country, four industry sources aware of ...

U.A.E.'s ADNOC to buy Shell’s South Africa fuels business in $1B deal

Abu Dhabi National Oil Company to acquire Shell's South African fuel operations including 580 fuel stations in the country in ...