Technology Roadmap Low-Carbon Transition in the Cement Industry

List of tables
Table 1. Key indicators for the global cement industry in the 2DS by 2030 
7
Table 2. Key indicators for the global cement industry in the RTS and the roadmap vision (2DS) 
18
Table 3. Process CO
2
 emissions released upon calcination of raw materials by clinker compounds 
42
List of boxes
Box 1.
Scenarios used in this Technology Roadmap 
8
Box 2.
Data sources and the importance of getting the numbers right 
10
Box 3. 
Regional collaborative efforts arising from the IEA and WBCSD
Cement Technology Roadmap 2009: Carbon Emissions Reductions up to 2050
 16
Box 4.
Exploring scenarios that are more ambitious: Beyond 2DS 
19

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4
Technology Roadmap
Low-Carbon Transition in the Cement Industry
The authors thank the IEA Communication and 
Information Office, especially Muriel Custodio, 
Astrid Dumond, Rebecca Gaghen, Bertrand Sadin 
and Therese Walsh for their support and assistance, 
as well as Caren Brown for editing the manuscript.
Finally, the authors would like to thank the industry, 
government and non-government experts who 
attended meetings, reviewed and commented 
on drafts, and provided feedback and guidance. 
The complete list of participants and reviewers 
is available at the CSI and IEA websites (
www.
wbcsdcement.org/technology
and 
www.iea.org/
technology-roadmap/cement
).
For further information on this document,
please contact:
Araceli Fernandez Pales, IEA
Tel.: [phone] 
Email: 
[e-mail]
Yvonne Leung, WBCSD-CSI 
Tel.: [phone] 
Email: 
[e-mail]
The Sustainability, Technology and Outlooks 
Directorate of the International Energy Agency 
(IEA) and the Cement Sustainability Initiative (CSI) 
of the World Business Council for Sustainable 
Development (WBCSD) jointly prepared this 
publication, under the lead of Araceli Fernandez 
(IEA) and Yvonne Leung (CSI). Kira West from the 
IEA provided input and support throughout the 
development of this roadmap.
Special thanks to experts from CSI members: Angeliki 
Benetatou, Rakesh Bhargava, Cedric de Meeus, 
Shrikrishna Herwadkar, Sanjay Jain, Martyn Kenny, 
Bernard Mathieu, Javier Merle, Hidemi Nakamura, 
Manuela Ojan, Kapilavai Narayana Rao, Paulo Rocha, 
Alexander Röder, Surya Valluri and Rob van der Meer; 
to experts from CSI Communication Partners: Richard 
Leese, Claude Loréa, Nathaly Triana and Gonzalo 
Visedo; to experts from the CSI India Secretariat: Esha 
Sar; and to Philippe Fonta, Managing Director of the 
CSI, for their input and guidance.
The European Cement Research Academy (ECRA) 
provided essential input, including the development 
of associated technical papers, led by Johannes 
Ruppert and Volker Hoenig.
From the IEA: David Turk, Acting Director of 
Sustainability, Technology and Outlooks; Simone 
Landolina, co-ordinator of the Technology Roadmap 
programme; and Cecilia Tam, Senior Energy Analyst, 
provided guidance and input. Simon Bennett, 
Niels Berghout, John Dulac, Joe Ritchie and Tristan 
Stanley also provided insightful comments.