This image is a work of a United States Department of Energy (or predecessor organization) employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain. Please note that national laboratories operate under varying licences and some are not free. Check the site policies of any national lab before crediting it with this tag. العربية ∙ English ∙ français ∙ 日本語 ∙ македонски ∙ മലയാളം ∙ Nederlands ∙ русский ∙ українська ∙ Tiếng Việt ∙ 简体中文 ∙ 繁體中文 ∙ +/−

Transferred from el.wikipedia to Commons by MARKELLOS using CommonsHelper.

• 2011-02-21 12:52 Xphilip5 500×333× (29435 bytes) {{Πληροφορίες εικόνας |Περιγραφή= |Πηγή= |Ημερομηνία= |Δημιουργός= |Άδεια χρήσης= }}
• 2010-12-09 08:07 Xphilip5 500×333× (29435 bytes) {{Πληροφορίες εικόνας |Περιγραφή= Αυτόνομο υβριδικό σύστημα ισχύος |Πηγή=nrel.gov |Ημερομηνία= |Δημιουργός= |Άδεια χρήσης= }}