Using the vehicle checker, determine if a UK-registered diesel car with plate 'CU57 ABC' is recognized and compliant for Glasgow's LEZ. Additionally, identify Glasgow's LEZ enforcement start date, the emission standard required for diesel cars, and the general penalty for non-compliance.
Navigate to the 'Vehicle Checker' page. Enter 'CU57 ABC' into the VRN field. Ensure 'UK' is selected as the vehicle origin. Click the 'SUBMIT' button. Read the result of the vehicle check. Navigate to the 'About' section. Identify the enforcement start date for Glasgow's LEZ. Navigate to the 'How Low Emission Zones work' page. Identify the general penalty for non-compliant vehicles. Identify the Euro emission standard required for diesel cars.
State that the vehicle 'CU57 ABC' is not recognized by the vehicle checker. State that Glasgow's LEZ enforcement began on June 1, 2023. State that the general penalty for non-compliance is a Penalty Charge Notice (PCN) issued to the registered keeper. State that the required emission standard for diesel cars is Euro 6.