China Issues Tighter Rules for Range-Extended EVs
China is tightening technical standards for extended-range electric vehicles (EREVs), introducing stricter regulations that take effect in November 2026. The new standard replaces rules dating to 2017, reflecting the explosive growth of EREVs in the Chinese market where manufacturers sold more than one million units last year. These updated regulations replace ambiguous performance language with exact, measurable specifications for manufacturers to meet. While previous rules used imprecise terms, the new framework establishes specific tolerance bands and testing procedures. For generators under 50 kilowatts, the maximum allowable deviation shrinks to just 1.5 kilowatts from stated capacity. Generators exceeding 50 kilowatts must perform within plus or minus 3 percent of rated output. These tighter boundaries…