sentences:  The NTE cap is set at 1.25 times the FTP emission limit as described in the subsection above.For 2005 model year heavy-duty engines, the NTE emission cap for NMHC plus NOx is 1.25 times 2.5 grams per brake horsepower-hour, or 3.125 grams per brake horsepower-hour.The basic NTE control area for diesel engines has three basic boundaries on the engine's torque and speed map.