A new study may have you thinking twice about where you fill up and what gasoline you’re putting into your car.
The American Automobile Association’s
new fuel quality study is one that surprised its own researchers. It found significant differences in gas quality among retailers depending on the use of detergent additives. The additives are designed to make fuels cleaner and better for your engine. Some retailers use more additives than others.
Independent lab tests compared gasolines that meet Top Tier standards with brands that don’t take part in the automaker-backed program. (Click here for a list of Top Tier brands
Non-Top Tier gasolines caused 19 time more engine deposits than Top Tier brands after just 4,000 miles of simulated driving. Carbon deposits are are known to reduce fuel economy, increase emissions and hurt vehicle performance. AAA says this is true especially for newer vehicles.