New pebble bed reactor technology prevents nuclear meltdown.

“…At $40 million each in matching funds over the next five years, the grants will go to X-energy, a little-known Maryland-based startup that is developing a new version of a pebble-bed reactor, and to Southern Company, the Atlanta-based utility that is working with TerraPower on molten-salt reactors.The new funding builds upon the November launch of a DOE-led program to support advanced reactor development and offer a pathway to licensing with the Nuclear Regulatory Commission…”

Source: Advanced Reactors Win New Funding from the U.S. Government | MIT Technology Review