In thispaper,weevaluateenergyefficiencyintheEuropeanfreighttransportsectoroverthreedecades, according toavarietyofindicators,methodologiesanddatabases.Theaimis,ontheonehand,of determining majordrawbacksinenergyefficiencymetrics,ontheotherhand,identifyingapossible trend inthesector.Thepresentanalysisshowsthatenergyefficiencyevaluationisgenerallysubjectto misinterpretationanddistortionwithregardtothemethodsanddatasourceadopted.Twodifferent indicators(energyintensityandfueleconomy)wereinitiallytakenintoaccounttoselectthemost suitableforevaluatingvehicles’efficiency.Fueleconomywasthenadoptedandmeasuredaccordingto two differentmethodologies(top–downandbottom–up).Wethenconsideredallthepossiblesourcesof distortion (datasourcesemployed,methodsofdatadetection,speedofdetection,powerenhancement, size factor)withtheaimofaccomplishingasoundestimation.Fueleconomywaseventuallydivided with themaximumpoweravailable(adjustedfueleconomy),toaccountforthepowershiftofvehicles, that representsafurtherefficiencyimprovement.
Ruzzenenti, F., Basosi, R. (2009). Evaluation of the energy efficiency evolution in the European road freight transport sector. ENERGY POLICY, 37, 4079-4085 [10.1016/j.enpol.2009.04.050].
Evaluation of the energy efficiency evolution in the European road freight transport sector
RUZZENENTI, FRANCO;BASOSI, RICCARDO
2009-01-01
Abstract
In thispaper,weevaluateenergyefficiencyintheEuropeanfreighttransportsectoroverthreedecades, according toavarietyofindicators,methodologiesanddatabases.Theaimis,ontheonehand,of determining majordrawbacksinenergyefficiencymetrics,ontheotherhand,identifyingapossible trend inthesector.Thepresentanalysisshowsthatenergyefficiencyevaluationisgenerallysubjectto misinterpretationanddistortionwithregardtothemethodsanddatasourceadopted.Twodifferent indicators(energyintensityandfueleconomy)wereinitiallytakenintoaccounttoselectthemost suitableforevaluatingvehicles’efficiency.Fueleconomywasthenadoptedandmeasuredaccordingto two differentmethodologies(top–downandbottom–up).Wethenconsideredallthepossiblesourcesof distortion (datasourcesemployed,methodsofdatadetection,speedofdetection,powerenhancement, size factor)withtheaimofaccomplishingasoundestimation.Fueleconomywaseventuallydivided with themaximumpoweravailable(adjustedfueleconomy),toaccountforthepowershiftofvehicles, that representsafurtherefficiencyimprovement.
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https://hdl.handle.net/11365/26704
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