What vehicles are covered under a standard Category B driving licence, and what is the minimum age requirement?

1. Vehicles of fewer than 8 seats, and goods vehicles not exceeding 3.5 tonnes; minimum age 18 years
2. Heavy commercial articulated trucks over 15 tonnes; minimum age 16 years
3. Public transit buses carrying up to 60 passengers; minimum age 18 years
4. Two-wheeled agricultural mopeds only; minimum age 25 years