Martin A
10 W
The equivalent of a bit under 5500 mpg. That's German efficiency for you.
http://www.gizmag.com/tufast-studen...ail&utm_term=0_65b67362bd-02f9a736b3-89811358
http://www.gizmag.com/tufast-studen...ail&utm_term=0_65b67362bd-02f9a736b3-89811358