A youth walks a dog past a Last Energy prototype of a microreactor on display at the corner of 10th and V Street NW in Washington, Tuesday, March 25, 2025. (AP Photo/Pablo Martinez Monsivais)A Last Energy prototype of a microreactor on display at the corner of 10th and V Street NW in Washington, Tuesday, March 25, 2025. (AP Photo/Pablo Martinez Monsivais)A Last Energy prototype of a microreactor on display at the corner of 10th and V Street NW in Washington, Tuesday, March 25, 2025. (AP Photo/Pablo Martinez Monsivais)
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A youth walks a dog past a Last Energy prototype of a microreactor on display at the corner of 10th and V Street NW in Washington, Tuesday, March 25, 2025. (AP Photo/Pablo Martinez Monsivais)
