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Exhaust Emissions System - EVAP- Rotary Engines: Description

The fuel evaporation system prevents the escape of raw fuel vapors to the atmosphere. System consists of a sealed fuel filler cap, fuel tank, liquid/vapor separator (station wagon), check valve (GLC), charcoal canister, and connecting hoses and lines.

Fig 1: Typical Piston Engine Fuel Evaporation System
G09310022Courtesy of MAZDA MOTORS CORP.