The most-polluting vehicles will have to pay a daily charge to drive within central London from 8 April 2019 under bold proposals announced today by the Mayor of London to help combat the capital’s toxic air crisis.

Sadiq Khan is proposing to expand this charge, the Ultra Low Emission Zone (ULEZ), across Greater London for heavy diesel vehicles, including buses, coaches and lorries, in 2020, and up to the North and South Circular roads for cars and vans in 2021.

The Mayor is committed to taking ambitious action to protect Londoners from the damaging health impacts of air pollution. He has more than doubled funding spent on tackling air quality to £875 million over the next five years. Today he set out his vision of tackling toxic vehicle emissions across Greater London.

Read more https://www.london.gov.uk/press-releases/mayoral/mayor-plans-to-introduce-ulez-in-april-2019