Revision history of "Efficiency in energy usage"

Jump to navigation Jump to search

Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

  • curprev 19:31, 30 September 2009Szyuen talk contribs 5,042 bytes +5,042 New page: *Efficiency in energy use can be divided in two parts: Part 1: Convert primary energy into useful energy and Part 2: the Intensity of which useful energy is used to deliver services ==Par...