Yes, see http://www.toptiergas.com/deposit_control.html for the nitty gritty details.
All top tier gasolines in the U.S. contain 8% Ethanol and no more than 10%. So you would have to buy gasoline that is not top tier. I do not recommend you burn such a fuel in your car.
Just checked the Top Tier's website, and it does not list Circle K as one of the brands the sels top tier gas, so I would guess not.
The answer is NO so please see TOP TIER web site for the list.
Fry's Gas is not considered a top-tier gasoline brand. Top-tier gasoline refers to fuel that contains a higher level of detergent additives, which can help prevent engine deposits and maintain optimal engine performance. While Fry's Gas may meet minimum regulatory requirements for gasoline, it may not offer the same level of detergent additives as other top-tier brands such as Shell, Chevron, or Exxon.
no bp, exxon mobil , shell are
Yes, Sunoco offers Top Tier detergent gasoline. The Top Tier designation indicates that their fuel contains a higher level of detergents and additives, which help to keep engines cleaner and improve performance. This certification is recognized by several major automakers, ensuring that using Sunoco gas can contribute to better engine health and efficiency.
Currently, Canada is in the top tier of Greenhouse Gas producers, both by population and by GDP.
If you think it is, it is. Shell is one of the companies that makes the "Top Tier" gas Volkswagen likes you to use, so it's a quality fuel...but it's probably no better or worse than the other Top Tier fuels. Check http://www.toptiergas.com for a list of companies that sell this gas.
Sheetz buys their fuel "from major refineries", per their website. They don't sell branded fuel.
Top level
To say that something is 'top-tier' is to say that it is of the greatest level of quality. A example of a sentence using the phrase 'top-tier consumer' is: We are developing a plan that will market towards the top-tier consumer.
No it's a low grade goes against gas companys like Sunoco and Getty. If you have a high end car like Mercedes do not get gas from them