Browse Publications Technical Papers 2013-01-2759
2013-11-27

PM and CO2 Reduction in a Dual-fuel Heavy-duty Diesel Engine during the Freeway Part of Transient Worldwide Emission Tests 2013-01-2759

The objective of this study is to describe the results on Particle Matter and CO2 emissions when an existing Heavy-Duty diesel engine for on-highway truck applications is converted to a Dual-fuel engine (diesel + Natural Gas) during the freeway part of transient worldwide emission tests. A Dual-fuel engine with Homogeneous Gas Charge Injection in the intake line before turbocharger was considered. The results showed the feasibility of this kind of technology for transient operation reaching a significant reduction of Particle Matter plus a decrement in CO2 emissions compared to diesel baseline engine. The results of gas energy replacement ratio, brake fuel conversion efficiency, CO and unburned hydrocarbons in the exhaust gases are also shown.

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