APG's technology converts existing diesel engines into more efficient and environmentally friendly engines that have the flexibility to operate on:  Diesel and Compressed Natural Gas (CNG)  Diesel and Liquefied Natural Gas (LNG)  Diesel and various sources of pipeline and wellhead natural gas   Users experience significant fuel savings with no loss of power and torque, normal maintenance cycles with high up-time, ability to transfer systems to other eligible engines at end-of-life, and the freedom to hedge against future fuel risks by returning to a diesel-only operation if required.   APG’s Turbocharged Natural Gas® Dual Fuel System for stationary and vehicular engines has met specific anti-tampering design, componentry, and emission compliance criteria and guidelines as set forth by the EPA, including the new EPA Clean Alternative Fuel Vehicle Conversion regulations.