Results 1 to 10 of about 1,217 (157)

Statistical Assessment and Temperature Study from the Interlaboratory Application of the WLTP–Brake Cycle [PDF]

open access: yesAtmosphere, 2020
The relative contribution of brake emissions to traffic-induced ambient Particulate Matter (PM) concentrations has increased over the last decade. Nowadays, vehicles’ brakes are recognised as an important source of non-exhaust emissions.
Theodoros Grigoratos   +2 more
exaly   +6 more sources

COMPARISON OF FUEL CONSUMPTION AND RECOVERABLE ENERGY ACCORDING TO NEDC AND WLTP CYCLES OF A VEHICLE

open access: yesCT&F Ciencia, Tecnología & Futuro, 2022
Since 1997, the NEDC (New European Driving Cycle) has been used to measure CO2 emissions. However, because this cycle is unable to accurately replicate real-world driving conditions, a new procedure has been developed.
M. İhsan Karamangil, Merve Tekin
doaj   +5 more sources

Comparative Evaluation of the Effect of Vehicle Parameters on Fuel Consumption under NEDC and WLTP

open access: yesEnergies, 2020
Higher speeds, faster acceleration and longer duration need a more realistic driving cycle. As a result, a new test procedure that reflects real-world driving conditions has been applied since 2017, and the previous development environment optimized for ...
Kihyung Lee
exaly   +4 more sources

Quantitative Assessment of EV Energy Consumption: Applying Coast Down Testing to WLTP and EPA Protocols

open access: yesWorld Electric Vehicle Journal
This study presents a comprehensive methodology for evaluating electric vehicle (EV) energy consumption by integrating coast down testing with standardized chassis dynamometer protocols under WLTP Class 3b and EPA driving cycles.
Piyawong Poopanya
exaly   +4 more sources

Performance, Emissions, and Efficiency of Biodiesel versus Hydrotreated Vegetable Oils (HVO), Considering Different Driving Cycles Sensitivity Analysis (NEDC and WLTP)

open access: yesFuels, 2021
The use of biofuels in vehicles becomes more advantageous than the consumption of fossil fuels, mainly because it uses renewable sources of energy. Recently there are some concerns about biodiesel sources, and hydrotreated vegetable oils (HVO) appear as ...
Luis Serrano   +3 more
doaj   +2 more sources

LABORATORY AND ON-ROAD CHARACTERIZATION OF EXHAUST EMISSIONS FROM PLUG-IN HYBRID VEHICLES AT MULTIPLE BATTERY STATES OF CHARGE CONDITIONS [PDF]

open access: yesTransport Problems, 2023
This paper discusses emissions from plug-in hybrid vehicles under various driving scenarios and reports experimental data obtained under laboratory and real-world conditions. Two European plug-in hybrid passenger cars were tested using the two test types
Joseph WOODBURN   +3 more
doaj   +1 more source

A New Vehicle-Specific Power Model for the Estimation of Hybrid Vehicle Emissions

open access: yesEnergies, 2023
Hybrid electric vehicles are certainly one of the key solutions for improving fuel efficiency and reducing emissions, especially in terms of special vehicles and with the use of CO2-neutral fuels.
Ante Kozina   +3 more
doaj   +1 more source

Analysis of The Effect of Different Gearbox/Transmission Types on Driveline Friction Losses by Means of Gt Suite Simulation Programme

open access: yesInternational Journal of Automotive Science and Technology, 2021
Selection of transmission systems of motor vehicles used on highways is high-ly important in terms of fuel consumption and vehicle efficiency. In this study, effect of using 3 different gearboxes in a passenger car (automatic gearbox, CVT gearbox and ...
Mehmet Akif Kunt
doaj   +1 more source

CORRELATION STUDIES OF PROCESSES: VEHICLE VELOCITY, POLLUTANT EMISSIONS, AND VEHICLE FUEL CONSUMPTION IN THE WORLD-WIDE LIGHT-DUTY TEST CYCLE [PDF]

open access: yesTransport Problems
The article presents the worldwide harmonized light-duty test cycle results of a diesel engine passenger vehicle carried out on a chassis dynamometer. Pollutant emissions from exhaust and fuel consumption were measured.
Adam SORDYL   +2 more
doaj   +1 more source

Particle Emissions and Disc Temperature Profiles from a Commercial Brake System Tested on a Dynamometer under Real-World Cycles

open access: yesAtmosphere, 2021
The particle emissions from a commercial brake system utilizing copper-free pads have been characterized on a brake dynamometer under two real-world driving cycles.
Athanasios Mamakos   +4 more
doaj   +1 more source

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