Energy Efficiency: New Layers for Semiconductors

Karlsruhe, D (March 2006)With micro-electric circuits getting smaller and smaller and more...

‘Stadtwerke Karlsruhe’s’ Solar Initiative: ‘PV PRIVAT’, the Easy Way to Your Own Solar System

Turn-key solar systems at fixed prices

By its Solar Initiative the Stadtwerke (public utilities)...

An all-in-one package for eco-friendly heating with geothermal heat. An action unique in...