Several polls show that Americans are once again wary of nuclear power. Before the Fukushima disaster, support for nuclear power had hit record highs in the US.
The Bush administration agreed to store nuclear waste from 21 new reactors. But the federal government still can't meet its commitment to find permanent storage.
Critics say Vermont Yankee nuclear plant was too old and had too many problems. This could be a blow for the Obama administration's plan to refurbish and revive aging nuclear power plants.
Yucca Mountain was supposed to be where the highly toxic material was sent. But Obama's energy budget leaves it out.