gas is pretty much gas," Tim Lieuwen of Georgia Tech’s College of Engineering said. Many stations sell what’s known as “top tier” gasoline. It has additives that exceed what the ...

Several Georgia gas stations have sold customers contaminated ... To be considered Top Tier, the gasoline must have a higher concentration of detergent added to it. AAA said it was surprised ...

Learn why at least nine major automakers recommend using Top Tier gasoline to prevent costly repairs and maintain optimal engine performance over time.

Gas prices in Georgia have jumped back up after several weeks of relief. As of Monday, the average gas price in Georgia was $2.93 for a gallon of regular unleaded gasoline, according to data from AAA.