Abstract

The fuel economy and carbon dioxide emissions (CO 2) of a heavy duty pickup moving in a driving cycle is calculated using the sofware UAMmero. The driving cycle consists of three parts: in the first part the vehicle is simulated to travel in an urban region in which the speed changes constantly, in the second part the simulated vehicle travels in a highway with a cruise speed of 88.514 kilometers/hour and in the third part the simulated vehicle travels at a cruise speed of 104.607 kilometers per hour. Results for the fuel economy and CO 2 emissions for a 4.407 ton, six gear transmission, 200 horse power diesel engine heavy Duty pickup are presented for different masses of the loads and slopes of the road. These results are part of a study to propose a method to certify heavy duty vehicles for fuel economy and CO 2 emissions in Mexico.

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