With a price difference of 24.4 cents between regular and premium gasoline on national average, many people are left wondering if they can save at the pump by filling up their gas tank with ...

The higher the fuel’s octane rating, the less likely it is to prematurely ignite and cause engine knocking. phive2015/Adobe Stock We see the numbers every day at the local gas station, with gas sold ...

Answer: Octane is a measure of how much compression gasoline can be subjected to before it spontaneously ignites. When gasoline ignites in the cylinder before it is ignited by the spark plug, it ...

Whenever you fill your vehicle, you have a choice of fuel at the pumps. There’s regular grade, with the number 87; midgrade at 89; and premium, ranging from 90 to 93. Knowing what they are and which ...

Anyone that’s ever topped off their tank or filled up a jerry can knows gasoline comes in different grades, from regular unleaded to pricey premium. Each “flavor” has a number that corresponds to its ...

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, ...

EVEN at the cheapest petrol station in your correspondent's neighborhood, filling up the family kidmobile with premium (91 octane) fuel now costs over $70. As the meter clocks up dizzying dollar ...

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 ...

Russia’s invasion of Ukraine has led to crippling gas prices across the U.S., spurring some drivers to search for cost-cutting measures at the pump. For some, that might mean trading more expensive ...

Colonial Pipeline has restarted operations following a cyberattack, but the company said it could be days before the fuel supply returns to some level of normalcy in the Southeast. In the meantime, ...