Higher octane fuel resists engine knock under compression — it is not a cleaner or more powerful fuel for all vehicles. Modern knock sensors in post-2000 engines automatically compensate for ...

Octane really is just a measure of how well fuel resists lighting itself under pressure. Some engines need to run on fuel that that offers more resistance than others, specifically the kind that run a ...

Expensive cars require expensive fuel, right? Not necessarily. Let us explain why some Lexus models need premium gas, but ...

The price displayed above that third button on the gas pump averaged more than $5.40 for several days this spring. American drivers still couldn’t get enough. Premium gas now costs around a buck a ...

Given the whole "driving on the other side of the road" thing, it's easy to assume driving in the United States and Europe are two very different things. Same for when you pull up to the pump in one ...