Technician A says that some OEMs have abandoned manufacturing NG fueled engines because of the difficulty in meeting EPA 2010 NOx emissions standards. Technician B says that a problem in using NG as a fuel, is that carbon dioxide emissions tend to greatly increase. Who is correct?

Question

Quizplus · Accepted Answer

Technician A is correct because some OEMs have indeed moved away from manufacturing natural gas (NG) fueled engines due to challenges in meeting the stringent EPA 2010 NOx emissions standards. Technician B is incorrect because while natural gas does emit CO2 when burned, it generally produces less CO2 compared to conventional gasoline or diesel fuels, not "greatly increase" emissions.

Technician a Says That Some OEMs Have Abandoned Manufacturing NG