Studzinski also warned drivers to steer clear of high-octane race fuels (like those with a rating of 100) sold at some gas stations. These products can contain high amounts of ethanol or methanol ...

The highest octane sold at gas stations that you can buy at the pump today is Sunoco Ultra 94. “When you look at readily available fuels at the gas station, your octane range is typically 87 to ...

Cost is often the first thing that comes to mind when motorists think of gasoline. Many will drive halfway across town ...

Even regular gasoline contains octane. However, the shortfall shouldn’t be problematic because there are more low-octane components available for making regular gasoline than high-octane fuel.

Depending on your location, you could expect to pay from around 5% to 20% more per gallon for high-octane fuel than regular fuel. Premium fuel has an octane rating of 91 to 94.

The octane shortage for premium gasoline is of particular concern as refiners move away from winter-grade. That type of fuel uses butane which is generally more plentiful, from natural-gas ...