Din păcate acest articol este disponibil doar în Engleză Americană. For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language. At the Energy Efficiency Global Forum in Washington DC thyssenkrupp today showcased its latest innovation in making urban mobility greener: Citește mai mult despre(English) How to have a net-energy positive systems without having to replace the entire elevator[…]