ARCO has built an undeniable reputation for value, 4 but what we offer goes beyond the bank. When you fill up on quality TOP TIER™ gas for less, 1 it comes with that little feeling of winning. And when your fill-up optimizes your fuel economy 3 and helps keep your engine dirt-free, 5 those are wins, too!

The top attractions to visit in Arco are: Craters of the Moon National Monument. Experimental Breeder Reactor No. 1 (EBR-I) Atomic Museum.

TOP TIER™ is a fuel performance standard written by auto manufacturers to assist in keeping the engine cleaner, thus resulting in improved customer experience.

Retail outlets enrolled in the TOP TIER™ Program are contractually committed to selling fuel that meets the TOP TIER™ Performance Standards. This means they are supplying fuel that contains an approved additive at the right concentration that does not contain other additives known to harm engines.

Any differences between any of the Top Tier fuels is negligible; they are all good. From: Is Cheap Gas Bad for Your Car? The fuel from different filling stations comes from a common source: the "base gas" from a refinery.

Switching between gasoline brands did not produce any statistically significant shifts in performance. There was no difference between the Arco and Chevron mileage per gallon performance.

Right where the Sea of Cortez collides with the Pacific Ocean stands El Arco, the rock formation that is synonymous with Los Cabos. The jagged rock is situated at the very tip of the Baja Peninsula known as Land's End and is an iconic sight that locals and visitors alike admire for its stunning qualities.

ARCO was formed by the merger of East Coast–based Atlantic Refining and California-based Richfield Oil Corporation in 1966; the company's name is an acronym of the two companies' names. A merger in 1969, brought in Sinclair Oil Corporation.

AAA further discovered that continued use of non-Top Tier fuel could result in 2% to 4% lower fuel economy over time and hasten the likelihood of maintenance issues. Top Tier fuel can even reduce the carbon residue of loyal generic gas use on an engine by 45% to 72% over 5,000 miles.

AAA also found that Top Tier gasoline can have a cleansing effect, reducing intake valve deposits by 45 to 72 percent when used over a 5,000-mile interval. Variation in the results is attributed to the detergents used by different brands.

As a result, higher quality, premium gasoline will last longer and burn slower than the cheaper, regular kind.

Statistical Test. I then did a statistical test (2-sample t-test) comparing the results of Arco and Chevron mileage per gallon performance. There was no difference.

You'll know you're filling up with the good stuff if you spot a small green sticker on the pump that says “TOP TIER Detergent Gasoline.” As of early 2022, the following stations sold Top Tier gasoline in the U.S.: 76, ARCO, Aloha, Beacon, Breakaway, CITGO, Cenex, Chevron, Conoco, Costco Wholesale, CountryMark, ...

Any differences between any of the Top Tier fuels is negligible; they are all good. From: Is Cheap Gas Bad for Your Car? The fuel from different filling stations comes from a common source: the "base gas" from a refinery.

Arco is almost always cheaper than other places around. How do they do that? They keep their gas prices low by just simply not taking credit cards, not having to pay the interchange fees that go along with that, and therefore passing those savings onto their customers. It's a model that works.

The History of El Arco The Baja California Peninsula was once a part of the North American Plate about 12 to 15 million years ago and through plate tectonics, the peninsula was eventually formed, which means that El Arco and the other rock formations scattered nearby are millions of years old.