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  1. Marine Spark-Ignition Engine, Vessel and Off-road Recreational Vehicle Emission Regulations - SOR/2011-10 (Section 1)
    Marginal note:Definitions
    •  (1) The following definitions apply in these Regulations.

      diurnal emissions

      diurnal emissions  means evaporative emissions that occur as a result of venting fuel tank vapours during daily temperature changes while the engine is not operating. (émissions diurnes)

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