Details Publication date3 June 2014AuthorDirectorate-General for Energy Files Final technical reportEnglish(2.05 MB - PDF)Download BACKGROUND DOCUMENT: Literature reportEnglish(4.23 MB - PDF)Download BACKGROUND DOCUMENT: Survey resultsEnglish(2.62 MB - PDF)Download BACKGROUND DOCUMENT: Assessment of scope expansionEnglish(1.87 MB - PDF)Download BACKGROUND DOCUMENT: Comments on first findings reportEnglish(521.18 KB - PDF)Download