Oil companies and gas-station chains love to boast about their fuels, how they burn the cleanest or deliver the most miles per gallon. But can these claims ever be validated? How is the average ...

When it comes to gas, most of us find the nearest station and fill up on the spot, without much thought. But what about gasoline quality? You might be shocked to know that service stations have ...

Top Tier gasoline contains more effective detergents than federally required, which helps clean fuel injectors and reduce harmful carbon deposits inside the engine. Clogged fuel injectors and carbon ...

This is the second consecutive year the convenience retailer landed in the top spot. Kwik Trip climbed two spots in this year's 10Best Gas Stations for Food category from its No. 3 ranking on last ...

TOP TIER™ gas is gasoline (and also diesel fuel when applicable) that has been certified to meet specific performance standards. A group of automakers — Volkswagen, Toyota, Honda, General Motors, BMW, ...

Many drivers will opt for high octane fuel hoping to clean out their engine and improve performance. However, paying extra for high octane gasoline isn't really going to get you cleaner fuel. If what ...