A Colorado marijuana dispensary has opened what is thought to be the world's first combination pot dispensary and gas station.

The Gas & Grass business opened Saturday in Colorado Springs. It is a gas station adjacent to a Native Roots medical marijuana dispensary.

Colorado does not allow pot shops to sell non-marijuana products. So the gas station and pot shop will have distinct entrances. But medical marijuana patients that shop at Native Roots will get discounts on the gasoline, similar to a grocery store loyalty program. Members of the public who don't shop at the dispensary can also fill up at the station.

Native Roots plans to open a second Colorado Springs location next month.