Rhode Island Code of Regulations
Title 280 - Department of Revenue
Chapter 30 - Division of Motor Vehicles
Subchapter 15 - Safety and Emissions
Part 5 - Regulations and Standards for Safe and Proper Operation of Jitneys
Section 280-RICR-30-15-5.18 - Fire Extinguishers

Every jitney shall be equipped with at least one (1) portable fire extinguisher of not less than one (1) quart vaporizing liquid or four (4) pounds carbon dioxide capacity or equivalent, which shall be of a type approved by a recognized underwriter's laboratory under Classification B or C utilizing an extinguishing agent not requiring protection from freezing, properly filled and kept in serviceable condition at all times and so placed as to be plainly visible or readily located and easily removed from position.