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 ...

Pickup truck owners can choose from a variety of fuels, each of which works differently in a pickup. Not sure which fuel is best for your truck? Read on for the answers to common questions about fuel.

While our automobiles have experienced remarkable changes over the past several decades, the fuels we put in them have not. Specifically, the octane rating of regular gasoline today is the same as it ...

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 ...

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 ...

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 ...

Ethanol blending has fundamentally changed India’s petrol landscape. On the downside, ethanol has about 30 percent less energy per litre than petrol. This reduces fuel efficiency by 5–10 percent in ...

I have a 2016 Toyota Avalon. The manual says that I should use 89-octane gasoline. I like to buy gas at my local Costco store, where the price is always lower than at the neighboring gas stations.

Every time you gas up, you're faced with the decision. Do you press the "regular" or "premium" button at the pump? Are you ...

Not all premium gas is created equal. Find out where Costco's octane rating lands and what that means for your car's performance and efficiency.

DETROIT -- Automakers and oil companies are quietly developing a new generation of fuels and engines to run more efficiently on them, generating more power from less gasoline to reduce emissions and ...

You pull up to the pump and you are presented with a few choices, and we're not talking about different fuel types here. We're talking, of course, about octane ratings. Those are large figures at the ...