emissions vehicle test vehicles emission measurement driving fuel road results cycle exhaust real duty testing consumption data method use using measurements used cycles conditions urban gas world measured euro time air heavy dynamometer different tests e
Fuel Economy Measurement Road Test Procedure
This SAE Standard incorporates driving cycles that produce fuel consumption data relating to Urban, Suburban, and Interstate driving patterns and is intended to be used to deter... Read more
Evaluating Real-World Fuel Economy on Heavy Duty Vehicles using a Portable Emissions Measurement System
Current SAE practices for evaluating potential improvements in fuel economy on heavy-duty vehicles rely on gravimetric measurements of fuel tanks. However, the recent evolution... Read more
Experimental Measurement of On-Road CO2 Emission and Fuel Consumption Functions
Motorized transport has become an essential part of our world economic system with an ever-increasing number of vehicles on the road. However, considering the depletion of ener... Read more
Emission Factors Analysis for Multiple Vehicles Using an On-Board, In-Use Emissions Measurement System
Despite progressive implementation of stringent emission regulations, vehicle tailpipe emissions remain the major source of air pollution problems in most urban areas. To contro... Read more
Fuel Consumption Simulation Model of a CNG Vehicle Based on Real-World Emission Measurement
This research aims at establishing a procedure to simulate the fuel consumption and CO\d2 emissions of a CNG-powered vehicle from real-world mass emission measurement data.
... Read more
Portable Emission Measurement System (PEMS) For Heavy Duty Diesel Vehicle PM Measurement: The European PM PEMS Program
Portable Emissions Measurement Systems (PEMS) represent a robust and accurate solution to study the in-use emissions of combustion engines and are becoming part of the emissions... Read more
Evaluation of a FTIR Emission Measurement System for Legislated Emissions Using a SI Car
A series of chassis dynamometer test trials were conducted to assess the performance of a Fourier Transform Infra Red (FTIR) system developed for on-road vehicle exhaust emissio... Read more
Lack of legislation causes large problems with evaporative emissions
A large share of hydrocarbon emissions from vehicles comes from evaporation from vehicles fuel system. Modern vehicles with positive ignition engines have therefore for more tha... Read more
Reconstruction of Time-Resolved Vehicle Emissions Measurements by Deconvolution
A thorough understanding of vehicle exhaust aftertreatment system performance requires time-resolved emissions measurements that accurately follow driving transients, and that a... Read more
Research on Measurement Method of Road Gradient and Altitude by On-Road Driving
Exhaust emissions from a vehicle under road driving condition is affected by the control state of ECU (Engine Control Unit). This control state highly depends on the driving fo... Read more
emissions vehicle test vehicles emission measurement driving fuel road results cycle exhaust real duty testing consumption data method use using measurements used cycles conditions urban gas world measured euro time air heavy dynamometer different tests e
Videos
Influence of Cold Start and Ambient Temperatures on Greenhouse Gas (GHG) Emissions, Global Warming Potential (GWP) and Fuel Economy for SI Car Real World Driving
Recorded on: 04/13/2010 during the 2010 World CongressThe transport sector is one of the major contributors to greenhouse gas emissions. This study investigated three greenhouse gases emitted from road transport using a probe vehicle: CO2, N2O and CH4emissions as a function of cold start and ambient temperatures. ...
Buy Video $16
PHEV MPG: Standard Test Results versus Expectations of Real-World Results, Mike Duoba
Recorded on: 02/10/2010 during the 2010 Hybrid Vehicle Technologies SymposiumThe objective for standardized dynamometer testing is to provide a sound basis for comparisons among vehicles with varied vehicle designs. However, in the case of PHEVs, observed fuel economy may dramatically depart from results obtained in standard test practices depending ...
Buy Video $19
Hybrid Vehicle Comparison Testing Using Ultracapacitor vs. Battery Energy Storage, Jeffrey Gonder
Recorded on: 02/10/2010 during the 2010 Hybrid Vehicle Technologies SymposiumGeneral Motors Corp. (GM) funded the National Renewable Energy Laboratory (NREL) to retrofit ultracapacitors onto a GM hybrid vehicle and compare the retrofitted vehicle’s performance to that of the production vehicle using nickel metal hydride (NiMH) batteries. The project grew ...
Buy Video $19
Diesel Filters OBD Using a Simple Concept
Recorded on: 08/24/2010 during the 2010 On-Board Diagnostics SymposiumOn Board Diagnostic of Diesel Particulate Filters remain an important technical challenge due to the very low soot concentrations after a leaking filter. These concentration levels in the range of 5 to 20 mg/m3 are difficult to measure without relatively ...
Buy Video $19
Controlled Braking Experiments with and without ABS
Recorded on: 04/13/2010 during the 2010 World CongressAn experimental program to measure braking characteristics developed under emergency braking conditions by ABS-Equipped vehicles was designed and performed. Variables examined included initial braking speed, vehicle type, tire pressure and data recording equipment utilized. All experiments were conducted on a ... Buy Video $16