The secret's out.

[1] High-quality refers to gasoline with deposit control additive treat rates significantly greater than the EPA minimum requirements.

[2] Requires continuous use. Helps protect engines from harmful deposits based on ASTM D6201 testing. Driving performance resulting from engine cleanliness.

[3] Optimizes your engine's performance from the harmful effects of deposits caused by minimum detergent fuels. Requires continuous use. Results depend on what you drive and how you drive.

[4] Average savings based on October – December 2022 OPIS price survey weighted average industry street price among major brands for unleaded gasoline in the following marketing areas: Los Angeles, Las Vegas, Phoenix, San Diego, Oakland, Sacramento, Portland, San Francisco, and Seattle.

[5] Limited-time offer valid for new ARCO Business Solutions Fuel Card and ARCO Business Solutions Mastercard® Card applications received from 2/27/2023 through 5/31/2023. New approved accounts will earn 15 cents per gallon rebate on ARCO fuel purchases in the first 3 months after account setup. Not valid on aviation, bulk fuel, propane or natural gas purchases. To receive rebates, invoice must be paid in full and on time. Rebate will not apply to returns or chargebacks. Rebates will be reflected on your billing statement in the form of a statement credit. For ARCO Business Solutions Fuel accounts, rebates are cents per gallon based on the number of gallons purchased at ARCO locations per billing cycle. The maximum rebate is $300 per statement for accounts that bill monthly, $150 per statement for accounts that bill semi-monthly, and $75 per statement for accounts that bill weekly. For ARCO Business Solutions Mastercard® accounts, the rebates are cents per gallon based on the number of gallons purchased at ARCO locations per calendar month and the maximum promotional rebate in any one-month period, regardless of billing cycle, is $300.