According to Ms. Lê Thanh Thuỷ, head of the Bureau for Project Management and Communication under the Hà Nội Department of Natural Resources and Environment, almost 500,000 charcoal stoves were removed in 2020, corresponding to more than 90%. The city plans to totally eradicate the use of coal-fired stoves and is currently looking for new stoves with suitable cooking materials that meet the national environmental standards.
Source and further information: “Char coal stoves must be eliminated” at https://vietnamnews.vn, accessed on 8 Mar 2021