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The overall goal of the smart compressed natural gas (CNG) station deployment project is to develop an advanced vehicle and station solution for maximizing a CNG fill with or without pre-cooling of the natural gas. The project includes the development, demonstration, and field deployment of sensors, software, and communication systems on multiple smart vehicles and dispensers, programmed with an advanced control algorithm to maximize full fills. In addition, several of the demonstration locations include CNG pre-cooling to help overcome the heat of compression during a fill that causes CNG tanks to reach their pressure limit before they are full. The combination of these technologies helps solve the issue of elevated pressures from heat of compression that result in natural gas vehicles being under-filled and alleviates driver uncertainty about the vehicle's remaining range.

For more information on this project, check the Technology Integration 2020 Annual Report or Annual Merit Review presentation.