Rhode Island StatutesCHAPTER 31-47.2 - Heavy Duty Diesel Vehicle Emission Inspections§ 31-47.2-1 - Legislative findings.§ 31-47.2-2 - Inspection requirement.§ 31-47.2-3 - On-road inspection.§ 31-47.2-4 - Periodic inspection.§ 31-47.2-5 - Inspection fee.§ 31-47.2-6 - Penalty for violations.§ 31-47.2-7 - Contract.