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BB_TX · 03-23-2022, 08:46 PM

Never heard of “Top Tier” gas. But it apparently is a real thing. And apparently diesel also.

Over the past 20 years, engines have become far more precise, operating under tighter tolerances and at higher compression ratios, while targeting cleaner emissions and improved fuel economy. To achieve these goals, several major automakers—Audi, BMW, Ford, General Motors, Honda, Mercedes-Benz, Stellantis, Toyota, and Volkswagen—have united in support of Top Tier gas, specifically recommending it to their owners with the goal of preserving their engines’ original performance and emissions over time.

https://www.consumerreports.org/fuel...e-a7682471234/

https://www.toptiergas.com/toptier_diesel_fuel/

03-23-2022, 08:46 PM	#1
BB_TX Montana Master Join Date: Oct 2006 Location: McKinney Posts: 7,171 M.O.C. #6433	“Top Tier” fuel Never heard of “Top Tier” gas. But it apparently is a real thing. And apparently diesel also. Over the past 20 years, engines have become far more precise, operating under tighter tolerances and at higher compression ratios, while targeting cleaner emissions and improved fuel economy. To achieve these goals, several major automakers—Audi, BMW, Ford, General Motors, Honda, Mercedes-Benz, Stellantis, Toyota, and Volkswagen—have united in support of Top Tier gas, specifically recommending it to their owners with the goal of preserving their engines’ original performance and emissions over time. https://www.consumerreports.org/fuel...e-a7682471234/ https://www.toptiergas.com/toptier_diesel_fuel/ __________________ Bill & Patricia Riley, our Golden 2007 3075RL (recently sold, currently without)