Public Service Commission encouraged the company to "workshop" outstanding issues before returning for another rate hike.

Here's a look at how weekly regional gas prices changed in Rocky Mountain region last week compared with the week prior.

a ranking of the fastest-growing private companies in the Rocky Mountain region, which includes Montana, Idaho, Wyoming, Nevada, Utah, and Colorado. An extension of the national Inc. 5000 list ...

The average gas price in the United States last week was $3.24, making prices in the Rocky Mountain region about 2.4% lower than the nation's average. The average national gas price is higher than ...