In the United States (US), Certarus Ltd, a mobile gas solutions provider and a wholly owned subsidiary of Superior Plus Corp., has announced the launch of Certarus "Mobile CNG Fleet Fueling", a fully managed service that delivers compressed natural gas (CNG) and renewable natural gas (RNG) directly to fleet customer locations, along with the commissioning of a new CNG supply hub in Houston, Texas, and an inaugural multi-year fleet fueling award.