The EPA is proposing criteria for determining whether onboard refueling vapor recovery (ORVR) is in widespread use for purposes of controlling motor vehicle refueling emissions throughout the motor vehicle fleet. The EPA is also proposing to determine the date at which such widespread use of ORVR will occur. Once the Administrator has determined that widespread use has occurred, the Administrator may waive Clean Air Act (CAA or Act) statutory requirements for states to implement Stage II gasoline vapor recovery systems at gasoline dispensing facilities in areas classified

Source: Federal Register