scholarly journals Real-world emissions from model year 1993, 2000, and 2010 passenger cars

1995 ◽  
Author(s):  
M. Ross ◽  
R. Goodwin ◽  
R. Watkins
Keyword(s):  
Real World ◽  
Passenger Cars ◽  
Model Year

Modeling Fuel Efficiency: MPG or GPHM?

2013 ◽  
Vol 107 (1) ◽  
pp. 20-27
Author(s):  
Kevin G. Bartkovich
Keyword(s):  
Real World ◽  
Fuel Efficiency ◽  
Model Year

The EPA's switch in rating fuel efficiency from miles per gallon to gallons per hundred miles with the 2013 model-year cars leads to interesting and relevant mathematics with real-world connections.

Assessment and design of real world driving cycles targeted to the calibration of vehicles with electrified powertrain

2021 ◽  
pp. 146808742110387
Author(s):  
Stylianos Doulgeris ◽  
Zisimos Toumasatos ◽  
Maria Vittoria Prati ◽  
Carlo Beatrice ◽  
Zissis Samaras
Keyword(s):  
Real World ◽  
Simulation Models ◽  
Cost Effective ◽  
Operational Parameters ◽  
Virtual Design ◽  
Passenger Cars ◽  
Real World Data ◽  
Vehicle Simulation ◽  
Driving Cycles ◽  
The Impact

Vehicles’ powertrain electrification is one of the key measures adopted by manufacturers in order to develop low emissions vehicles and reduce the CO2 emissions from passenger cars. High complexity of electrified powertrains increases the demand of cost-effective tools that can be used during the design of such powertrain architectures. Objective of the study is the proposal of a series of real-world velocity profiles that can be used during virtual design. To that aim, using three state of the art plug-in hybrid vehicles, a combined experimental, and simulation approach is followed to derive generic real-world cycles that can be used for the evaluation of the overall energy efficiency of electrified powertrains. The vehicles were tested under standard real driving emissions routes, real-world routes with reversed order (compared to a standard real driving emissions route) of urban, rural, motorway, and routes with high slope variation. To enhance the experimental activities, additional virtual mission profiles simulated using vehicle simulation models. Outcome of the study consists of specific driving cycles, designed based on standard real-world route, and a methodology for real-world data analysis and evaluation, along with the results from the assessment of the impact of different operational parameters on the total electrified powertrain.

scholarly journals Real-world emissions of gasoline passenger cars in Macao and their correlation with driving conditions

2013 ◽  
Vol 11 (4) ◽  
pp. 1135-1146 ◽  
Author(s):  
Z. Wang ◽  
Y. Wu ◽  
Y. Zhou ◽  
Z. Li ◽  
Y. Wang ◽  
...  
Keyword(s):  
Real World ◽  
Passenger Cars ◽  
Driving Conditions

scholarly journals Sensitivity Analysis in the Life-Cycle Assessment of Electric vs. Combustion Engine Cars under Approximate Real-World Conditions

2020 ◽  
Vol 12 (3) ◽  
pp. 1241 ◽  
Author(s):  
Eckard Helmers ◽  
Johannes Dietz ◽  
Martin Weiss
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Real World ◽  
Emission Inventory ◽  
Combustion Engine ◽  
Climate Impacts ◽  
Impact Categories ◽  
Passenger Cars ◽  
Electric Cars ◽  
On The Road

This study compares the environmental impacts of petrol, diesel, natural gas, and electric vehicles using a process-based attributional life cycle assessment (LCA) and the ReCiPe characterization method that captures 18 impact categories and the single score endpoints. Unlike common practice, we derive the cradle-to-grave inventories from an originally combustion engine VW Caddy that was disassembled and electrified in our laboratory, and its energy consumption was measured on the road. Ecoivent 2.2 and 3.0 emission inventories were contrasted exhibiting basically insignificant impact deviations. Ecoinvent 3.0 emission inventory for the diesel car was additionally updated with recent real-world close emission values and revealed strong increases over four midpoint impact categories, when matched with the standard Ecoinvent 3.0 emission inventory. Producing batteries with photovoltaic electricity instead of Chinese coal-based electricity decreases climate impacts of battery production by 69%. Break-even mileages for the electric VW Caddy to pass the combustion engine models under various conditions in terms of climate change impact ranged from 17,000 to 310,000 km. Break-even mileages, when contrasting the VW Caddy and a mini car (SMART), which was as well electrified, did not show systematic differences. Also, CO2-eq emissions in terms of passenger kilometers travelled (54–158 g CO2-eq/PKT) are fairly similar based on 1 person travelling in the mini car and 1.57 persons in the mid-sized car (VW Caddy). Additionally, under optimized conditions (battery production and use phase utilizing renewable electricity), the two electric cars can compete well in terms of CO2-eq emissions per passenger kilometer with other traffic modes (diesel bus, coach, trains) over lifetime. Only electric buses were found to have lower life cycle carbon emissions (27–52 g CO2-eq/PKT) than the two electric passenger cars.

Real world CO2 and NOx emissions from 149 Euro 5 and 6 diesel, gasoline and hybrid passenger cars

2018 ◽  
Vol 621 ◽  
pp. 282-290 ◽  
Author(s):  
Rosalind O'Driscoll ◽  
Marc E.J. Stettler ◽  
Nick Molden ◽  
Tim Oxley ◽  
Helen M. ApSimon
Keyword(s):  
Real World ◽  
Nox Emissions ◽  
Passenger Cars

scholarly journals On-road measurement of NH 3 emissions from gasoline and diesel passenger cars during real world driving conditions

2017 ◽  
Vol 166 ◽  
pp. 488-497 ◽  
Author(s):  
Ricardo Suarez-Bertoa ◽  
Pablo Mendoza-Villafuerte ◽  
Francesco Riccobono ◽  
Michal Vojtisek ◽  
Martin Pechout ◽  
...  
Keyword(s):  
Real World ◽  
Passenger Cars ◽  
Driving Conditions
Sign in / Sign up

Export Citation Format

Share Document