| Aye... from what research I remember, detergents are an important additive to gasoline. They help clean the left over raw carbons (gunk) from your engine. There is a state minimum, which is relatively good, but many companies claim to go above and behind.
I'm sure it varies from time to time, and cars are fickle things anyway. I'll do some research after my Mechanical Engineering Dynamics Mid term on wednesday. |