Sublime Systems, a developer of technology to produce decarbonized cement, today announced that it has closed a $40 million Series A funding round, led by climate-tech focused fund Lowercarbon Capital with participation from existing investors including The Engine, Energy Impact Partners and others. Siam Cement Group, the largest cement producer in Southeast Asia, is also joining as a strategic investor. The company will use the new capital to ramp up production at its pilot plant, build its team, conduct product testing, and advance offtake commitments from new customers and partners.