Regulation & law · 06/11/1997Updated: 10/17/2026 · 1 min read
Detroit Diesel Corporation Submits Notification for Urban Bus Retrofit/Rebuild Equipment Certification
Summary
Detroit Diesel Corporation has submitted a notification to the Agency for certification of urban bus retrofit/rebuild equipment to meet a 0.1 gram per brake-horsepower-hour particulate matter standard, with the goal of reducing emissions from 1979-1989 model year buses equipped with mechanical unit injectors.