DENVER (KDVR) — Gas pumps in some Western states look a little different than the rest of the country. Most states have the option of choosing octane ratings of 87 (regular), 88–90 (midgrade) and ...

How high of an octane does your car actually need to run well? Here's what to know about the consequences of using the wrong ...

We’ve been reporting for years that there’s zero advantage to using a higher-octane gasoline than your car requires, and that you can also get away with regular gas if your car merely recommends ...

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 ...

Is Premium or Mid-Grade Fuel Worth the Extra Money? Premium gas does have the same amount of ethanol as other grades, but it doesn’t provide any more power or contain better additives than regular gas ...

You have a choice when you pull up to the pump. Most gas stations have three choices for fuel for your vehicle, based mostly on octane ratings. Which one is the best for your vehicle? A lot of that ...

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, ...

If you go to a gasoline pump to fill up your car, you’re likely to see 3 different types of fuel: Regular gasoline (87 octane), mid-grade (89 octane), and premium (92 or 93 octane). But what do these ...

Settling may be fine for some things, but when it comes to your vehicle, especially when you put so much time, energy and money into it, why settle for something less than the best? If you demand the ...