Mullings, who has been at the helm of the truck stop and travel center trade group since 2004, described the decision as difficult but said she is confident in Natso’s future.

For many years, Buc-ee's had kept its footprint largely south of Houston, where it was based. Now, it seems, it intends to become a national force in the highway convenience store industry.

TravelCenters of America reported a net loss as revenue increased in the second quarter.