Final answer:
The minimum age for obtaining a Probationary Automobile license (Class D motor vehicles, except motorcycles) varies by state in the United States, but generally it is 16 years old or older.
Step-by-step explanation:
In the context of driver's licenses, the minimum age for obtaining a Probationary Automobile license (Class D motor vehicles, except motorcycles) varies by state in the United States. However, in general, the minimum age is 16 years old or older. This means that teenagers who are at least 16 years old can apply for a Probationary Automobile license to drive Class D motor vehicles, except motorcycles.