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Italy Delays Euro 5 Diesel Ban to 2026, Boosts Regional Flexibility

Approved by parliamentary committees, the amendment raises the population threshold for the ban to municipalities with over 100,000 residents, permitting regions to meet EU limits with alternative emission measures.

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Overview

  • The Infrastructure Decree amendment postpones the Euro 5 diesel circulation ban in Piemonte, Lombardia, Veneto and Emilia-Romagna from October 2025 to October 2026.
  • Municipalities with fewer than 100,000 inhabitants are exempted under the revised criteria, up from the previous 30,000-resident threshold.
  • After the October 2026 deadline, regions may forgo structural bans by adopting compensatory emission-reduction measures in their air-quality plans.
  • Local anti-smog ordinances remain in force, as demonstrated by Genoa’s weekday ban on Euro 4 and older diesel vehicles since July 1.
  • Italy still faces EU infringement procedures over NO₂ and PM10 exceedances and must finalize updated regional air-quality plans under the amended decree.