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Summary & Details

Real Driving Emissions of Diesel and LNG Euro VI Heavy-Duty Vehicles Measured with FTIR-PEMS

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Format: PDF

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Paper/Info type: SAE Paper

No.2021-24-0066

Pages: 1-9(Total 9 p)

Date of publication: Sep 2021

Publisher: SAE International

Language: English

Event: International Conference on Engines and Vehicles 2021

Detailed Information

Author(E)	1) Danilo Engelmann, 2) Yan Zimmerli, 3) Fabian Ruoss, 4) Elimar Frank
Affiliation(E)	1) Berne University of Applied Sciences, 2) Berne University of Applied Sciences, 3) OST Eastern Switzerland University of Applied Sciences, 4) OST Eastern Switzerland University of Applied Sciences
Abstract(E)	To replace conventional Diesel and to make the transport sector CO₂ neutral, liquid bio methane or liquefied biogas (LBG) is one possible solution to replace conventional fuel. Due to the ongoing development of methane engines for trucks and the possible perspective of realizing closed CO₂ cycles, a pilot project "Use of LBG (Liquefied Biogas) for Swiss heavy-duty transportation" has been launched in Switzerland. This project is intended to demonstrate the performance of LBG trucks as well as their environmental benefits. The emission behavior of the vehicles is a critical point in the evaluation of the idea of using methane as a fuel. In the present paper the conducted real drive emission measurements of two different methane gas and one Diesel powered truck, as reference, with the parallel use of a standard and FTIR-PEMS are presented. The configuration of both PEMS systems mounted on a trailer is shown, as well as the real drive scenario. The results obtained with the FTIR-PEMS and those with the standard PEMS will be compared and discussed. The results of the quantities that can be measured exclusively by FTIR-PEMS are discussed in focus. The emission results are put into context with the respective vehicles with their used engines and after treatment technologies. Based on these project results, the suitability of LBG trucks to replace conventional trucks in heavy traffic can be conducted later.

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