These countries are banning gas-powered vehicles by 2040

Cities like Barcelona, Copenhagen, and Vancouver all plan to ban gas- and diesel-powered cars by 2030.

People biking along the lakes in Copenhagen, DenmarkKristoffer Trolle/Flickr

Although some countries haven’t released comprehensive bans of the vehicles, some mayors are taking initiative to ban gas- and diesel-powered cars from their city centers. Some cities, including a few in the United States, have jumped on board with that promise.

Copenhagen, the most bike-friendly city in the world, is working on an aggressive timeline. It plans to ban all diesel-powered cars starting in 2019.

The mayors of Los Angeles, Mexico City, Seattle, Barcelona, Vancouver, Milan, Quito, Cape Town, and Auckland pledged on Monday to ban gas- and diesel-powered cars from “large parts” of their cities by 2030.