1. The injection of the HCNG needs stronger injector that can accommodate instant injection when needed.
2. Pilot diesel injection cut off can be most improved with connecting cut off point with eight different variable signal from available cut off signal of the vehicle.
3. Installation of the catalytic control with oxygen sensor preferably prior and after exhaust of the engine.
4. For better results in fuel economy, overall design of the complete vehicle needs new design to make sure there is no unnecessarily weigh and ensuring aerodynamic of the vehicle.
5. A strong complete electronic controlled need to be redesigned to ensure long lasting performance.
6. A driving pattern of the driver needed to be properly trained to maximize the benefit of the overall system.