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7. February 2008

 






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Well-to-Wheels



EUCAR*, CONCAWE* and JRC* have performed a joint evaluation of the Well-to-Wheels energy use and greenhouse gas (GHG) emissions for a wide range of potential future fuels and powertrains options. The first version was published in December 2003. The documents below present the results of the second version (May 2006). The objectives of the review remained the same:

 

  • Establish, in a transparent and objective manner, a consensual well-to-wheels energy use and Greenhouse gas (GHG) emissions assessment of a wide range of automotive fuels and powertrains relevant to Europe in 2010 and beyond.
  • Consider the viability of each fuel pathway and estimate the associated macro-economic costs.
  • Have the outcome accepted as a reference by all relevant stakeholders.

 

This new version is the result of wide consultation with relevant third parties, leaving the opportunity for each actor, stakeholder, or member of the technical/scientific community to take part in the on-going discussions, and to contribute with up-dated or corrected inputs. The process is still open, and a dedicated mailbox (infoWTW@jrc.it) has been created: further input data and comments are warmly welcome.

 

The 2006 version includes a number of new and updated pathways as well as revised cost calculations and availability estimates.

 

There are 10 documents available for download, offering various levels of detail:

 

  • A slide pack summarizes the main results and messages.
  • The Well-to-Wheels (WTW) report provides and integrated analysis of the complete pathways in terms of energy, GHG emissions, costs and potential availability of alternative fuels. Its two appendices cover in more detail:
    • Energy and greenhouse gas balances for all pathways;
    • Cost data and calculations.

  • The Well-to-Tank (WTT) report details the WTT portion of the pathways, including cost and availability estimates. There are three WTT appendices covering:
    • Individual processes and input data;
    • Detailed energy and GHG balances for individual WTT pathways;
    • Energy requirement and GHG emissions for gasoline and diesel fuel production.

     

  • The Tank-to-Wheels (TTW) report decribes the vehicle configurations and performance.The appendix gives details on vehicles retail price estimation.

 

 

For more information or questions please contact:   infoWTW(at)jrc.it



Links to the 2006 WTW study files



This version 2c supersedes version 2b published in May 2006 and corrects a number of errors.

 

The most significant change in the cost data for the “ethanol from straw” pathway.

 

Other minor corrections affect the GHG balance of bio-diesel pathways and the cost data for the “ethanol from wood” and some hydrogen pathways.

 

 


Well-to-Wheels Slides



 FilenameFilesizeLast modificationCounter
WTW_010307.pdf672 K2007-Mar-01 11:31 7285

Well-to-Wheels Reports


 FilenameFilesizeLast modificationCounter
WTW_Report_010307.pdf2 M2007-Feb-28 16:48 6910
WTW_App_2_010307.pdf660 K2007-Feb-28 16:48 3206
WTW_App_1_010307.pdf291 K2007-Feb-28 16:48 2862

Well-to-Tank Reports


 FilenameFilesizeLast modificationCounter
WTT_Report_010307.pdf2 M2007-Feb-28 16:47 3941
WTT_App_3_010307.pdf62 K2007-Feb-28 16:47 2303
WTT_App_2_010307.pdf391 K2007-Mar-07 17:00 2317
WTT_App_1_010307.pdf846 K2007-Feb-28 16:47 2905

    
More Information:  infoWTW(at)jrc.it 

Tank-to-Wheels Reports


 FilenameFilesizeLast modificationCounter
TTW_Report_010307.pdf556 K2007-Feb-28 17:21 2695
TTW_App_1_010307.pdf109 K2007-Feb-28 16:45 2281

“Availability and Cost of Biomass for Road Fuels in EU”


The second edition of the well-to-wheels study was released in May 2006.

Compared with the first issue of the study, increased attention has been given to biofuel options.

Consequently, it was felt valuable to gain input and discussion from other expert groups, including authors of other recent studies, to compare information, test the reliability of the assumptions on the JEC study (JEC: JRC-EUCAR-CONCAWE), and find new information to reduce the existing areas of uncertainty


Biofuels WS Proceedings


 FilenameFilesizeLast modificationCounter
BIO-WS-Proceedings_02.pdf841 K2006-Nov-08 18:31 4819

 

 

 

 

 

 



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