The US Nuclear Regulatory Commission (NRC) has introduced three key policies aimed at making it easier to develop microreactors. These new guidelines focus on efficient licensing processes, allowing for the safe testing and deployment of these smaller nuclear reactors in factories before they are shipped to operational sites.
Source: https://www.nucnet.org/news/us-regulator-announces-new-policies-to-boost-development-and-deployment-of-microreactors-6-4-2025