smokeless zone

English

Noun

smokeless zone (plural smokeless zones)

  1. 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.

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