Detergents in gasoline are hardly "snake oil". You don't have to take my word for it: GM, Toyota, Mercedes and several other manufacturers say so, which is why the Top Tier spec exists.
Here in Motown, Marathon also supplies much of the gas sold by many different brands. There's a Marathon refinery down in Detroit, so it makes sense. But that is not to say that the gas you buy at a Marathon or Speedway (owned by Marathon) station is the same as that sold by other brands that may actually come from the same refinery. Each brand has its own additive mix. Shell, BP and Mobil all have Top Tier-certified fuel. Marathon and Speedway do not. Why would Marathon bother adding detergents to their fuel beyond the minimum required by the EPA?
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Today's Featured Article - Women and Tractors, A Woman's Touch - by Teri Burkholder. I thought I would give you a little background on how I got myself hooked on tractors and their restoration. My family is a very "crafty" bunch of people. By crafty I mean good with crafts!! My Dad is a retired industrial engineer from Bucyrus Erie which made big shovels for excavating and he is also a wonderful wood worker. My mom and my "guardian angel" has had her own ceramic shop for 30 years and is an excellent painter. With these skills always active in our house it was hard not t
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