WASHINGTON — Amazon Prime is bringing back a major deal for one day only: Prime members can get $1 off per gallon of gas, up to 35 gallons max, at participating BP, Amoco and ampm gas stations on Friday, Oct. 3.

The one-day promotion is part of a partnership between Amazon and BP’s Earnify rewards program. To qualify, Prime members must link their Amazon account to Earnify . Once linked, the discount will automatically apply at participating locations when members enter their phone number at the pump or use the Earnify app.

More than 7,500 gas stations nationwide are participating, according to Amazon. The discount applies to all fuel grades and doesn’t require a minimum purchase. Drivers can find participating locations through the Earnify app.

The $1-per-gallon offer includes

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