smokeless zone
English
Noun
smokeless zone (plural smokeless zones)
- An area designated by a local authority where only smokeless fuels are permitted.
- 1957 November, “Notes and News: Locomotive Notes: First B.R. All-Diesel Depot”, in Railway Magazine, page 812:
- In addition, the change-over at Bow from steam to diesel locomotives will help to minimise the local smoke nuisance and conform with Government schemes for the establishment of smokeless zones.