The Koenigsegg TFG is an Inline-3 engine. The TFG stands for "Tiny Friendly Giant." It is a Freevalve (Camless piston engine), thus it does not have a camshaft. Instead it uses pneumatic actuators that allows it to open each valve independently. This includes the two exhaust valves in each cylinder working independently of each other. The Variable displacement system allows fuel economy to be 15%-20% higher than a variable camshaft engine. Cold start emissions are also drastically reduced by 60% over a variable camshaft engine. The engine is equipped with a small turbo for one set of exhaust valves, and a larger turbo for the other set of exhaust valves. However this Twin-turbo is neither a Sequential nor a Staged system. Without the turbos the Koenigsegg claims the engine is only capable