Former President Donald Trump pushing a fresh Freedom Fuel network that guarantees gas at cheaper gas than average stations.
His advisor, Bessent, is pressing involved stations to respect the advertised savings.
Commentators say the discount model could prove difficult to sustain over time.
Watchdogs argue that the source of the lower cost has not been explained.
A gas station in Deadwood, South Dakota, suffered damage post a collision on Saturday.
The collision toppled a canopy and damaged pumps.
In El Paso, Texas, petrol rates this week rose above both the state average and the national average, according to local reports.