We have to separate the chemical "octane" from a fuel's "octane rating" since they can be two different things. Think about it this way. If you learned your shapes in kindergarten, you should easily ...

When you pull up to an ordinary gas station, you’ll see multiple types of gasoline. The most common here in the U.S. are listed as “regular,” “plus,” and “premium.” To the casual observer, it might ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — Gas prices are fluctuating ...

In the decades since its founding, Costco has become, arguably, the biggest wholesale outlet chain in the world. At this point in the wholesaler's history, the list of things you can't buy inside a ...