Regulation & law · 11/10/1996Updated: 10/18/2026 · 1 min read

EPA Grants California Waiver to Enforce Stricter Emissions Standards

The Environmental Protection Agency (EPA) has granted California a waiver to enforce more stringent emissions standards for on-board diagnostic systems in passenger cars, light-duty trucks, and medium-duty vehicles, starting from model year 1994, in an effort to reduce motor vehicle pollution.