Chinese battery manufacturer CATL's domestic car business chief technology officer (CTO) Gao Huan introduces CATL Qilin Condensed Battery during the CATL Tech Day event event ahead of the Beijing Auto Show in Beijing on April 21, 2026. (Photo by WANG Zhao / AFP via Getty Images)

An accessory dwelling unit burns during an experiment at the Institute for Business & Home Safety center Wednesday, April 1, 2026, in Richburg, S.C. (AP Photo/Erik Verduzco)

Chester County Firefighters Elizabeth Stevenson, from left, Michael Mackey and Charles Lee, watch an accessory dwelling unit burn during an experiment at the Institute for Business & Home Safety center Wednesday, April 1, 2026, in Richburg, S.C. (AP Photo/Erik Verduzco)

A person walks near fans used for wildfire research at the Institute for Business & Home Safety center on Thursday, April 16, 2026, in Richburg, S.C. (AP Photo/Erik Verduzco)

Wildfire researchers watch an accessory dwelling unit burn during an experiment at the Institute for Business & Home Safety center on Thursday, April 16, 2026, in Richburg, S.C. (AP Photo/Erik Verduzco)

Wildfire researchers watch an accessory dwelling unit burn during an experiment at the Institute for Business & Home Safety center on Thursday, April 16, 2026, in Richburg, S.C. (AP Photo/Erik Verduzco)

Wildfire researchers and firefighters watch as an accessory dwelling unit burns during an experiment at the Institute for Business & Home Safety center on Thursday, April 16, 2026, in Richburg, S.C. (AP Photo/Erik Verduzco)

An accessory dwelling unit burns during an experiment at the Institute for Business & Home Safety center on Thursday, April 16, 2026, in Richburg, S.C. (AP Photo/Erik Verduzco)