We’ve been burning gasoline for well over a hundred years now, but some misconceptions about fuel—especially when it comes to octane—are so ingrained in the popular consciousness that even those of us ...

Premium doesn’t add power in cars built for regular. Follow the label and prefer regular gas for cleaner engines and steadier performance ...

Some new cars claim to require premium fuel, others recommend it and most new vehicles on the road today are perfectly happy with regular fuel with nary a hiccup. Simultaneously, we're bombarded by ...

In most gas stations, next to the regular unleaded gasoline and diesel nozzles, one can find these additional pumps with labels promoting their benefits. That begs an obvious question: what are these ...

If you're scratching your head wondering which number gasoline to put in your car, don't overthink it. Just Google the manufacturer's recommendation and run with that. If you're curious about what ...

Everyone from Nostradamus to the Department of Energy predicts that internal combustion engines will provide primary propulsion for the majority of the vehicle fleet for a few more decades. But it's ...

If you've ever fueled up in Colorado, you might have noticed something unusual about the gas octane ratings at the pump -- specifically, the availability of 85-octane gasoline. This lower octane fuel ...

With the price of regular unleaded gasoline still in the $4-a-gallon range, the comparative price of premium is kind of a bargain at many stations. Really. When the price of regular surged this spring ...

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Does your street-driven car ping now when it didn't use to? It may be suffering from octane creep caused by deposit buildup inside the combustion chambers. New engines on the dyno and regularly ...

With gas prices fluctuating and budget-conscious consumers seeking savings, the allure of cheaper gasoline options is undeniable. However, opting for the cheapest fuel available might not be the best ...