The testing fee itself isn't all that difficult to meet. The only requirement is submission from the additive supplier, which will have the tests done on their product.
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https://www.oronite.com/products/gas-additives.asp
OGA® Top Tier Additive Packages: formulated to meet or exceed Top Tier specifications set by BMW®, General Motors®, Honda®, and Toyota®.
OGA® Enhanced Additive Packages: formulated to provide higher levels of performance than compliance packages for customers to differentiate their products from compliance gasoline.
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http://www.aftonchemical.com/News/Pages/HiTEC6560.aspx
The auto manufacturers recognize that the current EPA minimum detergent requirements do not go far enough to ensure optimal engine performance. To be licensed by the automakers as providing TOP TIER™ Detergent Gasoline, gasoline retailers must meet the higher TOP TIER™ standards with all grades of gasoline. Afton Chemical’s HiTEC® 6560 family of fuel performance additives meets the tougher standards at the same competitive treat rate as the original certifications.
To do this, Afton Chemical began testing well in advance. David DiBerto, Global Business Manager for Gasoline Performance Additives at Afton Chemical said, “Due to our extensive experience in running fuel additive test programs, we were well prepared and aware of challenges of finding a test fuel to meet the TOP TIER™ performance standards and obtaining test availability at independent laboratories. And we are proud to have done this by the original TOP TIER™ deadline.”
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http://www2.basf.us/corporate/news_2009/news_release_2009_00538.htm
BASF Keropur® gasoline performance product range completes updated TOP TIER requirements
FLORHAM PARK, NJ, December 8, 2010 – BASF today confirmed that its range of Keropur® gasoline performance products meets the latest TOP TIER detergent gasoline requirements, including generating relevant performance data using independent ISO accredited laboratories.
TOP TIER detergent gasoline is the premier standard for gasoline performance in North America. Six of the world's top automakers, BMW, General Motors, Honda, Toyota, Volkswagen and Audi support the TOP TIER program to help drivers avoid lower quality gasoline. Fuels with lower-quality additive packages can build up deposits on fuel injectors and on intake valves, or can build up deposits in combustion chambers and may lead to intake valve sticking. These lower levels of additives can have negative impacts on engine performance and vehicle responsiveness.
“BASF has been an active supporter of the TOP TIER program since its inception, and continues to deliver optimized high performing gasoline additives for our customers,” said Alfred Jung, Ph.D., BASF Technical Manager, North America for Fuels and Lubricants and current Chairman of the influential Detroit Advisory Panel (DAP).
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http://investor.lubrizol.com/phoenix.zht...&highlight=
CLEVELAND, January 13, 2011 - The Lubrizol Corporation (NYSE:LZ) today confirms that its portfolio of fuel additives meet the current TOP TIER™ detergent gasoline standard.
Established by six of the world's top automakers (BMW, General Motors, Honda, Toyota, Volkswagen and Audi), the current TOP TIER standard goes beyond EPA minimum detergent requirements. The automakers suggest the EPA minimum detergent level (set in 1995) may no longer ensure optimal engine performance for their increasingly sophisticated engines.
The TOP TIER standard, which originally went into effect in May 2004, was updated in May 2008 and required additive manufacturers to submit fuel performance data from independent, accredited laboratories by November 29, 2010. Today, to be licensed as providing TOP TIER gasoline, fuel retailers must meet the updated TOP TIER standards in all grades of gasoline. In addition, each fuel outlet carrying the brand of the approved retailer must meet the TOP TIER standards.