Welcome to the green stock news brief for Wednesday, December 4th. Here are today’s top headlines:

AST SpaceMobile (NASDAQ: ASTS) and Cadence Design Systems have partnered to develop a custom chip that will power AST's space-based cellular broadband network. Leveraging Cadence's advanced tools and IP, the ASIC significantly enhances satellite processing bandwidth, enabling seamless global connectivity with optimized power and performance.

NexGen Energy (NYSE: NXE) has secured its first uranium sales agreements with leading U.S. nuclear utilities, featuring market-linked pricing at delivery. These contracts highlight NexGen's strategy to maximize leverage to future uranium prices and its role as a reliable Western source of nuclear fuel from Saskatchewan, Canada.

EVgo (NASDAQ: EVGO) and General Motors (NYSE: GM) have surpassed 2,000 public fast charging stalls across 390 locations, expanding access to EV charging for those without home or workplace options. Their goal of 2,850 stalls nationwide is bolstered by high-capacity stations like the newly opened Murrieta, CA site, funded by the California Energy Commission’s FAST program.

Rail Vision (NASDAQ: RVSN) has launched D.A.S.H., a SaaS platform designed to enhance rail safety and efficiency by providing operators with actionable insights through AI-driven analytics. Integrating with the company's MainLine and ShuntingYard systems, D.A.S.H. leverages big data to improve decision-making and streamline rail operations.