A version of this article appears in print on Oct. 13, 2023, Section A, Page 10 of the New York edition with the headline: Stockholm Is Banning Diesel- and Gas-Powered Vehicles in City Center in 2025.

Stockholm. Jeppe Wikström Stockholm, a jewel chiseled by the Baltic, gracefully unfurls across an archipelago of 14 islands, composing an urban symphony of unparalleled beauty.