EditorialA worker at an assembly station for a heat exchanger for heat pumps at Vaillant’s factory in Remscheid, Germany, Sept. 16, 2022. (Patrick Junker/The New York Times)
EditorialA worker at an assembly station for a heat exchanger for heat pumps at Vaillant’s factory in Remscheid, Germany, Sept. 16, 2022. (Patrick Junker/The New York Times)