Zero Mass Water raised $50 million in a C1 venture round led by BlackRock, along with Breakthrough Energy Ventures and Material Impact Fund.

Urbint, a provider of field safety information for utilities and industrial workforces, raised $20 million in B round funding led by Energy Impact Partners and Piva, along with Salesforce Ventures and National Grid Partners.

The Volkswagen Group raised its stake in QuantumScape with an investment of up to $200 million in the solid-state battery developer.

Battery and graphene technology startup Nanotech Energy closed a $27.5 million funding round at a post-money valuation of $227.5 million, according to the company.

Climeworks is a Swiss startup and ETH-spinoff that just raised $75 million in funding for “Direct-air capture” of carbon dioxide, calling it the largest private investment in this pollution-mitigating technology.

ClearFlame Engines raised $3 million in a funding round led by Clean Energy Ventures for a startup designing a new type of diesel engine.

FreeWire Technologies, a battery startup that manufactures EV chargers and personal generators, raised $25 million in a round led by BP, an investor in FreeWire since early 2018, and joined by new investors ABB Technology Ventures, Silicon Valley Bank and Energy Innovation Capital.