This week: Romania launches the world’s largest Deposit Return System with Sensoneo, Cortexia secures significant funding for AI expansion, and Actility gains a notable investment to boost its IoT presence. Siemens acquires BuntPlanet, enhancing AI in water utilities, while Groupe Ragni expands in European street lighting with HESS GmbH Licht + Form. Yotta Capital Partners invests in BH Technologies, Webdyn eyes a majority stake in Adeunis, and Honeywell Smart Energy backs Sparkmeter to innovate grid solutions in the US.