Renault Twingo - Life Cycle Assessment

Posted by James Dick
Type: 
Full LCA available on the web
Comparative: 
yes
Publication year: 
2014
Language: 
English
Code: 
Vehicles/Fuels
Product: 
Renault Twingo 3
Quality and sources
Is the study a: 
Detailed LCA
Was a critical review performed?: 
Yes
Is the study compliant with ISO 14044?: 
Yes
Sponsor name(s): 
Groupe Renault
Sponsor type: 
Company
Practitioner(s): 
Groupe Renault
Practitioner(s) type: 
Company
Summary
Functional unit: 
Transportation of persons in a vehicle, for a total distance of 150 000 kms (~93 000 miles), during 10 years, in compliance with studied vehicle type approval norms (e.g. NEDC driving cycle). Please note that the distance considered seems too long for this kind of vehicle, thoughts about considering a new distance in the future are taking place.
Goal and scope of the summary: 
It seems interesting to present this life cycle assessment as such studies have been presented for other types of Renault Vehicle, but not for cars with such a small size. It can therefore be interesting to compare the results with the Kadjar or the Fluence, but the first goal of the study is to compare the Life Cycle Assessment of a Twingo 3 with a Twingo 2. In order to make the study, the following steps have been considered: - Vehicle production includes raw material extraction and manufacturing, the production of parts and the assembly of the vehicle. It also includes logistics from first rank supplier to factory and to final customer. - The use phase includes the production of fuel and the use of the vehicle all along its life cycle (as defined in the functional unit). It also includes the maintenance during the life cycle - The end of life includes the different processes to dismantle and shred the end of life vehicle, also the recycling processes of the different specific parts of the car. All the boundaries are more detailed in the study (p20).

In this report a comparison between twingo 2 and Twingo 3 has been made in order to identify the differences in term of environmental impact by using LCA.
5 impacts to measure and compare the vehicles have been determined, and the analysis of each of them shows us an improvment on Twingo 3 compared to Twingo 2.

Material impact(s): 
Acidification
Eutrophication
Manufacturing impact(s): 
Eutrophication
Manufacturing impact level: 
Low
Usage impact(s): 
Global warming
Abiotic ressouces depletion
Usage impact level: 
High
End of life impact(s): 
Acidification
End of life impact level: 
Low


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