The bill amends Sections 31-1-3 and 31-1-4 of the General Laws in Chapter 31-1, which deals with vehicle definitions and regulations. It introduces the term "Types of vehicles" and provides specific definitions for categories such as "antique motor car" and "antique motorcycle," both defined as vehicles over twenty-five years old that can be used for exhibitions and limited enjoyment after passing state inspections. The bill also allows for the issuance of a "year of manufacture plate" for antique vehicles, requiring it to be an exact replica of the original plate from the year of manufacture. Furthermore, it expands the definition of "automobile" to include trucks with a gross vehicle weight of eight thousand pounds (8,000 lbs.) or less, thereby allowing these lighter trucks to be registered as automobiles and issued passenger plates.

In addition to these changes, the bill clarifies existing definitions for various vehicle types, including motorcycles and recreational vehicles, while introducing new terms such as "covered heavy-duty tow and recovery vehicle" and "trailer transporter towing unit." The act aims to modernize vehicle classifications and registration processes to better reflect current transportation needs. The proposed amendments are set to take effect immediately upon passage, indicating a legislative effort to adapt to evolving vehicle uses and ensure that regulations are up-to-date.