When you pull up to the pump, the choice between regular and premium fuel can feel like a small but important decision. Premium gas usually costs more, and many drivers assume it automatically ...

Compared to older days, gas prices haven't exactly been kind over the last few years, and with continued instability around the oil-producing parts of the world, it may not get much better anytime ...

Premium and Top Tier gas sound good, but what’s really best for your car — and your budget? In some cases, these types of fuel are indeed better for your car — but for different reasons. Premium gas, ...

A computer generated power stroke of an internal combustion engine, following ignition - Pathompong Thongsan/Getty Images When comparing engine specs for nearly any combustion engine automobile, we ...