scholarly journals Selected issues related to the reduction of the CO2 emission from combustion engines fitted in vehicles of the M and N categories

2012 ◽  
Vol 148 (1) ◽  
pp. 53-61
Author(s):  
Maciej GIS ◽  
Wojciech GIS
Keyword(s):  
Co2 Emissions ◽  
Diesel Engines ◽  
Co2 Emission ◽  
Road Transport ◽  
Combustion Engines ◽  
Heavy Duty ◽  
Heavy Duty Vehicles

The paper presents the types of activities aiming at a reduction of the CO2 emissions from road transport as well as technical means related to the reduction of the CO2 emissions from diesel engines of heavy-duty vehicles of the M and N categories in the short-, medium- and long terms. In this aspect also the possibility of the use of biomethane to power diesel engines has been analyzed.

An Experimental Methodology for Measuring of Aerodynamic Resistances of Heavy Duty Vehicles in the Framework of European CO2 Emissions Monitoring Scheme

2014 ◽  
Vol 7 (1) ◽  
pp. 102-110 ◽  
Author(s):  
Georgios Fontaras ◽  
Panagiota Dilara ◽  
Michael Berner ◽  
Theo Volkers ◽  
Antonius Kies ◽  
...  
Keyword(s):  
Co2 Emissions ◽  
Experimental Methodology ◽  
Heavy Duty ◽  
Monitoring Scheme ◽  
Heavy Duty Vehicles

scholarly journals The analysis of the potential for the use of gaseous fuels in the municipal bus transport in Poland – part 1

2012 ◽  
Vol 148 (1) ◽  
pp. 82-88
Author(s):  
Wojciech GIS ◽  
Edward MENES ◽  
Jerzy WAŚKIEWICZ
Keyword(s):  
Natural Gas ◽  
Diesel Engines ◽  
Road Transport ◽  
Current Level ◽  
Combustion Engines ◽  
Compressed Natural Gas ◽  
Gaseous Fuels ◽  
Advantages And Disadvantages ◽  
Ecological Aspects ◽  
Bus Transport

The paper discusses issues related to the use of compressed natural gas (CNG) in combustion engines particularly in municipal bus transport. The ecological aspects of the use of natural gas in road transport have been analyzed particularly the exhaust emissions in comparison to the emissions from diesel engines. Advantages and disadvantages of natural gas fueling as well as the current level of CNG use in transport have been presented both in Poland and worldwide. The authors have also indicated the motivating arguments for the use of natural gas.

scholarly journals Modeling Impacts of Highway Circular Curve Elements on Heavy-Duty Diesel Trucks’ CO2 Emissions

2019 ◽  
Vol 16 (14) ◽  
pp. 2514 ◽  
Author(s):  
Xiaodong Zhang ◽  
Jinliang Xu ◽  
Menghui Li ◽  
Qunshan Li ◽  
Lan Yang
Keyword(s):  
Field Experiment ◽  
Fuel Consumption ◽  
Co2 Emissions ◽  
Co2 Emission ◽  
Shaanxi Province ◽  
Emission Model ◽  
Heavy Duty ◽  
Heavy Duty Diesel ◽  
Diesel Trucks ◽  
Circular Curve

Heavy-duty trucks contribute a significant component of all transportation in cargo terminals, such as Shaanxi Province, China. The emissions from these vehicles are the primary source of carbon emissions during highway operations. While several studies have attempted to address emission issues by improving traffic operations, a few focused on the relationship between emissions and highway geometric design, especially for heavy-duty trucks. The primary goal of this research was to understand the impact of circular curve on carbon dioxide (CO2) emissions produced by heavy-duty diesel trucks. Firstly, appropriate parameters were specified in MOVES (motor vehicle emission simulator) model according to the geometrical characteristics. Fuel consumption, speed and location data were collected by hiring five skilled drivers on the automotive proving ground located at Chang’an University, Shaanxi Province. The associated carbon emission data were derived from fuel consumption data by applying the IPCC (Intergovernmental Panel on Climate Change) method. After this, the applicability of MOVES model was verified by the field experiment. Moreover, a multiple regression model for CO2 emissions incorporated with roadway segment radius, circular curve length, and initial vehicle speed was established with data generated by the MOVES model. The proposed CO2 emission model was also verified by field experiment with relative error of 6.17%. It was found that CO2 emission had monotone decreasing property with radius increasing, and the minimum radius that influenced diesel CO2 emission was 550 m. The proposed quantitative CO2 emission model can provide a reference for low-carbon highway design, leading to environment-friendly transportation construction.

Cost of lower NOx emissions: Increased CO2 emissions from heavy-duty diesel engines

2007 ◽  
Vol 41 (3) ◽  
pp. 666-675 ◽  
Author(s):  
Mohan Krishnamurthy ◽  
Daniel K. Carder ◽  
Gregory Thompson ◽  
Mridul Gautam
Keyword(s):  
Co2 Emissions ◽  
Diesel Engines ◽  
Nox Emissions ◽  
Heavy Duty ◽  
Heavy Duty Diesel

scholarly journals An experimental evaluation of the methodology proposed for the monitoring and certification of CO2 emissions from heavy-duty vehicles in Europe

Energy ◽  
2016 ◽  
Vol 102 ◽  
pp. 354-364 ◽  
Author(s):  
Georgios Fontaras ◽  
Theodoros Grigoratos ◽  
Dimitrios Savvidis ◽  
Konstantinos Anagnostopoulos ◽  
Raphael Luz ◽  
...  
Keyword(s):  
Co2 Emissions ◽  
Experimental Evaluation ◽  
Heavy Duty ◽  
Heavy Duty Vehicles

scholarly journals PASSENGER CARS AND HEAVY DUTY VEHICLES EXHAUST EMISSIONS UNDER REAL DRIVING CONDITIONS

2014 ◽  
Vol 31 (3) ◽  
pp. 47-59 ◽  
Author(s):  
Agnieszka Merkisz-Guranowska ◽  
Jacek Pielecha
Keyword(s):  
Research Work ◽  
Exhaust Emissions ◽  
Combustion Engines ◽  
Heavy Duty ◽  
Passenger Cars ◽  
University Of Technology ◽  
Road Testing ◽  
System Project ◽  
Heavy Duty Vehicles

In the assumptions regarding to the transport policy both at the level of country and Europe there is the concept of sustainable development of transport. Warsaw University of Technology in cooperation with Poznan University of Technology performs research work concerning the shaping of environmentally friendly transport system – Project EMITRANSYS. In this project, one of the conditions is to reduce exhaust emissions by means of transport. The paper presents the reasons for the testing of the exhaust emissions under Real Driving Emissions testing (RDE). Research potential of Institute of Combustion Engines and Transport at Poznan University of Technology in the area of road testing of passenger and heavy-duty vehicles has been presented in the paper. Example test results have been shown in the aspect of the emission-related classification of vehicles.

scholarly journals An Overview of Lean Exhaust deNOx Aftertreatment Technologies and NOx Emission Regulations in the European Union

Catalysts ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 404
Author(s):  
Tommaso Selleri ◽  
Anastasios D. Melas ◽  
Ameya Joshi ◽  
Dario Manara ◽  
Adolfo Perujo ◽  
...  
Keyword(s):  
European Union ◽  
New Technologies ◽  
Road Transport ◽  
Pollutant Emission ◽  
Nox Emissions ◽  
The European Union ◽  
Heavy Duty ◽  
Light Duty ◽  
Light Duty Vehicles ◽  
Heavy Duty Vehicles

This paper reviews the recent advances in the management of nitrogen oxide (NOx) emissions from the internal combustion engine of light-duty and heavy-duty vehicles, addressing both technical and legal aspects. Particular focus is devoted to the often-virtuous interaction between new legislation imposing more restrictions on the permitted pollutant emission levels and new technologies developed in order to meet these restrictions. The review begins first with the American and then European directives promulgated in the 1970s, aimed at limiting emissions of pollutants from road transport vehicles. Particular attention is paid to the introduction of the Euro standards in the European Union for light- and heavy-duty vehicles, used as a legal and time frame reference for the evolution of emission aftertreatment systems (ATSs). The paper also describes governmental approaches implemented for the control of pollutant emissions in circulating vehicles, such as market surveillance and in-service conformity. In parallel, it is explained how the gradual introduction of small-scale devices aimed at the NOx control, such as lean NOx traps (LNTs) systems, and, most of all, the selective catalytic reduction (SCR) of NOx, permitted the application to road-transport vehicles of this ATS, originally designed in larger sizes for industrial usage. The paper reviews chemical processes occurring in SCR systems and their advantages and drawbacks with respect to the pollutant emission limits imposed by the legislation. Their potential side effects are also addressed, such as the emission of extra, not-yet regulated pollutants such as, for example, NH3 and N2O. The NOx, N2O, and NH3 emission level evolution with the various Euro standards for both light- and heavy-duty vehicles are reported in the light of experimental data obtained at the European Commission’s Joint Research Centre. It is observed that the new technologies, boosted by increasingly stricter legal limits, have led in the last two decades to a clear decrease of over one order of magnitude of NOx emissions in Diesel light-duty vehicles, bringing them to the same level as Euro 6 gasoline vehicles (10 mg/km to 20 mg/km in average). On the other hand, an obvious increase in the emissions of both NH3 and N2O is observed in both Diesel and gasoline light-duty vehicles, whereby NH3 emissions in spark-ignition vehicles are mainly linked to two-reaction mechanisms occurring in three-way catalysts after the catalyst light-off and during engine rich-operation. NH3 emissions measured in recent Euro 6 light-duty vehicles amount to a few mg/km for both gasoline and Diesel engines, whereby N2O emissions exceeding a dozen mg/km have been observed in Diesel vehicles only. The present paper can be regarded as part of a general assessment in view of the next EU emission standards, and a discussion on the role the SCR technology may serve as a NOx emission control strategy from lean-burn vehicles.

scholarly journals Estimation of Total Transport CO2 Emissions Generated by Medium- and Heavy-Duty Vehicles (MHDVs) in a Sector of Korea

Energies ◽  
2016 ◽  
Vol 9 (8) ◽  
pp. 638 ◽  
Author(s):  
Jigu Seo ◽  
Junhong Park ◽  
Yunjung Oh ◽  
Sungwook Park
Keyword(s):  
Co2 Emissions ◽  
Heavy Duty ◽  
Total Transport ◽  
Heavy Duty Vehicles
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