Private Vehicles Greenhouse Gas Emission Estimation at Street Level for Berlin Based on Open Data
, Josephine Brückner 1,‡, Michael Schultz 1,2,‡, Sanam Noreen Vardag 3,4, Christina Ludwig 1,5, Johannes Fürle 1, Mohammed Zia 5, Sven Lautenbach 1,5 and Alexander Zipf 1,5Round 1
Reviewer 1 Report
The manuscript "Private vehicles greenhouse gas emission estimation at street level for Berlin based on open data" proposes a remarkably interesting exercise of GHG emission estimation from private vehicles in Berlin.
The paper well describes the methodology adopted, and it is well-written.
I don't have relevant remarks about the work, but I would suggest the to the authors following. The analysis is strictly related to the case study. In my opinion, it necessitates a broader view. I suggest defining the methodology in general terms (e.g., extrapolating from the case study the description of steps, diagrams, etc.) and showing it applied to the Berlin case study. I am aware that the methods used are related to the availability of local data and, from this point of view, Berlin (and Germany) represents a fortunate case study.
I would like the authors to describe the efforts for applying this methodology in a general context, not only in Germany (can Germany represent a reference at the EU level, for example?).
The availability of data certainly represents a limit, and a weakness of the methodology, in a sense. However, this weakness can be turned into an indication to policymakers (in Germany and outside) of what kind of data need to be collected to apply this exercise, which has remarkable advantages.
In the attached pdf, I added additional minor comments.
Comments for author File: 
Comments.pdf
Author Response
Please see the attachment.
Author Response File: 
Author Response.docx
Reviewer 2 Report
See attached file.
Comments for author File: Comments.pdf
Author Response
Please see the attachment.
Author Response File: Author Response.docx
Reviewer 3 Report
Dear authors,
In the section of Conclusions, I recommend to sum up the results of your analysis in points with the calculated numbers. It will be more clearly and informative.
Author Response
Please see the attachment.
Author Response File: Author Response.docx
Round 2
Reviewer 2 Report
All of my comments were properly addressed! Well done!
