Nat G® Advanced Fuel Systems

Nat G® is Texas’ leading provider of alternative fuels systems and service serving public and provide fleet operators of all sizes. Our CNG/RNG and Propane Conversion and Service Center is fully licensed by the Texas Railroad Commission and a Ford Factory Qualified Vehicle Modifier with CNG/RNG and Propane certified technicians, CSA qualified cylinder inspectors, and the expertise you need to make the transition to clean, cost-effective natural gas for your fleet.


We are Alternative (Advanced) Fuel specialists. From light duty car pool vehicles to long haul Class 8 Tractors, Nat G installs and services CNG/RNG, LPG/RLPG fuel conversion kits that reduce vehicle emissions leading to lower vehicle carbon “footprints”. From new and used vehicle conversions, to turnkey full CNG station builds, Nat G® has the experience and expertise to meet your needs.

We are a FORD QVM installer and a Hexagon Agility ASP (Approved Service Provider).

We have been operating in Houston since 2007 and boast a number of industry “firsts” including the first Isuzu NPR bi-fuel conversion the first GMC Terrain/Chevy Equinox Conversion with, the first Dodge Ram conversion for NatGasCar, the first Navistar DT 444 school bus conversion, and the first Cummins ISX dual fuel conversion.

Nat G® has experience with a wide range of new and in-service vehicles including Ford, GM, and Isuzu as well as a number of Class 8 Tractor engines from Cummins, Detroit Diesel, and Caterpillar. No matter what your fleet size or composition, Nat G® is ready to help.

Nat G® also has experience building and servicing refueling facilities, large and small.

With Nat G® you can join your fellow fleet operators in the essential quest to “Go Green”, reduce vehicle carbon footrpints, and contribute to global efforts to improve our precious environment — By operating vehicles on (Renewable) Natural Gas and Propane.