SAE J1667 Recommended Practice Categories Topics Enforcement Programs Heavy-Duty Diesel Inspection & Periodic Smoke Inspection Programs Tipo Reports Society of Automotive Engineers (SAE) J1667 Recommended PracticeSnap Acceleration Smoke Test Procedure for Heavy-Duty Powered Vehicles Related Resources Test Method 435 Automated License Plate Reader Periodic Smoke Inspection Program (PSIP) Frequently Asked Questions
