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  1. Deposit control additives - Gasoline Since 1995, the U.S. Environmental Protection Agency (EPA) mandated that all gasoline sold in the U.S. must include an EPA- approved deposit control additive. These additives are designed to minimize engine deposits that can affect vehicle performance and emissions.

  2. Jul 5, 2024 · First, it’s important to note that the Environmental Protection Agency (EPA) sets stringent standards for all gasoline sold in the United States (per 40 CFR Part 1090).

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  3. Jan 13, 2024 · Every gasoline retailer in the United States, including Costco and Chevron, must comply with EPA guidelines to maintain the cleanliness and safety of fuels. These regulations encompass the amount of sulfur and other chemicals, which can impact both engine health and environmental emissions.

  4. Jan 11, 2024 · When you fill up your tank at Costco, you’re not just taking advantage of competitive gas prices; you’re also getting fuel that has passed rigorous quality standards. Costco’s gasoline comes from various sources including refineries and wholesale regional distributors. This large-volume purchasing strategy enables Costco to offer lower ...

  5. Aug 22, 2024 · The reformulated gasoline program was mandated by Congress in the 1990 Clean Air Act amendments. The CAA intended that RFG would be blended to burn more cleanly than conventional gasoline and would reduce emissions of smog-forming and toxic pollutants. The first phase of the RFG program began in 1995 and the second (current) phase began in 2000 ...

  6. Oct 3, 2024 · Fuel Waivers & Exemptions. Ethanol waivers (E15 & E10) Emergency fuel waivers. Hardship exemptions. to ask a question, provide feedback, or report a problem. Last updated on October 3, 2024. Information about EPA's gasoline regulations, including the Tier 3 Gasoline Sulfur program, the Mobile Source Air Toxics rule, Reformulated Gasoline (RFG ...

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  8. Sep 6, 2024 · According to Top Tier, about a third of gas stations meet the fuel quality standards. Here Are the Top Tier Licensed Retail Brands in the United States: 76. Agua Caliente Fuel. Aloha. ARCO. Beacon. Belmont Car Wash. Cenex.

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