Tank-To-Wheel CO2 Emissions Of Future C-Segment Vehicles

Morra, Edoardo; Ellinger, Raimund; Jones, Stephen; Huss, Arno; Albrecht, Rolf

doi:10.1007/978-3-658-23785-1_8

Cited by 3 publications

(2 citation statements)

References 3 publications

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“…Secondly, vehicles with conventional combustion engines and no advanced technologies generally tend to get lower fuel consumption over the WLTC than the NEDC, although there are some variations in individual vehicle segments (see also [12,22] for details). For example, vehicles that make use of a start-stop system, like Dodge, benefit much more over the NEDC, where the share of stop time is higher [23]. Finally, previous studies [12] reported possible discrepancies between diesel and gasoline vehicles.…”

Section: Figurementioning

confidence: 99%

The WLTC vs NEDC: A Case Study on the Impacts of Driving Cycle on Engine Performance and Fuel Consumption

Lasocki

2021

IJAME

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The World-wide harmonised Light-duty Test Cycle (WLTC) was developed internationally for the determination of pollutant emission and fuel consumption from combustion engines of light-duty vehicles. It replaced the New European Driving Cycle (NEDC) used in the European Union (EU) for type-approval testing purposes. This paper presents an extensive comparison of the WLTC and NEDC. The main specifications of both driving cycles are provided, and their advantages and limitations are analysed. The WLTC, compared to the NEDC, is more dynamic, covers a broader spectrum of engine working states and is more realistic in simulating typical real-world driving conditions. The expected impact of the WLTC on vehicle engine performance characteristics is discussed. It is further illustrated by a case study on two light-duty vehicles tested in the WLTC and NEDC. Findings from the investigation demonstrated that the driving cycle has a strong impact on the performance characteristics of the vehicle combustion engine. For the vehicles tested, the average engine speed, engine torque and fuel flow rate measured over the WLTC are higher than those measured over the NEDC. The opposite trend is observed in terms of fuel economy (expressed in l/100 km); the first vehicle achieved a 9% reduction, while the second – a 3% increase when switching from NEDC to WLTC. Several factors potentially contributing to this discrepancy have been pointed out. The implementation of the WLTC in the EU will force vehicle manufacturers to optimise engine control strategy according to the operating range of the new driving cycle.

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Section: Figurementioning

confidence: 99%

The WLTC vs NEDC: A Case Study on the Impacts of Driving Cycle on Engine Performance and Fuel Consumption

Lasocki

2021

IJAME

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“…Researchers then began to compare the results obtained in the new WLTP test with those obtained when driving normally under real conditions [47,52]. This is possible thanks to mobile exhaust gas analyzers that have become cheaper and more accessible to various research institutes [30]. The authors noticed a large research trend consisting in increasing road tests in relation to laboratory tests [20].…”

Section: Road Testsmentioning

confidence: 99%

Research on low-emission vehicle powered by LPG using innovative hardware and software

Małek

Caban

Šarkan

2020

The Archives of Automotive Engineering – Archiwum Motoryzacji

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LPG is a cheap and ecological fuel for spark ignition engines. The sequential gas injection system can be installed at the factory and is then the Original Equipment of the Manufacturer. A vehicle with a spark ignition engine can also be converted to gas in an authorized workshop. In both cases, the vehicle must meet the same exhaust emission standards when running on alternative fuel as it does with the original fuel. Conversion of vehicles to LPG and CNG is regulated by law at the European Union level. The article describes the conversion of a low-emission gasoline vehicle that meets the Euro 6 emission standard to LPG. The configuration and calibration of the LPG system is described in detail. The compatibility of the gas system with the vehicle's on-board diagnostic system was then checked. Finally, road tests of the vehicle were carried out to compare the performance with the original fuel and the alternative fuel.

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Power-to-hydrogen pathway in the transport sector: How to assure the economic sustainability of solar powered refueling stations

Silvestri

Micco

Forcina

et al. 2022

Energy Conversion and Management

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Tank-To-Wheel CO2 Emissions Of Future C-Segment Vehicles

Cited by 3 publications

References 3 publications

The WLTC vs NEDC: A Case Study on the Impacts of Driving Cycle on Engine Performance and Fuel Consumption

The WLTC vs NEDC: A Case Study on the Impacts of Driving Cycle on Engine Performance and Fuel Consumption

Research on low-emission vehicle powered by LPG using innovative hardware and software

Power-to-hydrogen pathway in the transport sector: How to assure the economic sustainability of solar powered refueling stations

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