vehicle-standards
vehicle-standards
2 items
Labs
EVs Are Too Quiet — The Paradox of Mandatory Acceleration Sound and Type Certification
As electric motorcycles and electric vehicles proliferate, international standard UN/ECE R138 mandates artificial sound emission at low speeds — creating a direct tension with urban noise reduction goals. This note reads the contradiction between noise regulation and pedestrian safety through the structure of type certification.
Labs
Inside the Perpetrator Group — Why Self-Regulation Fails in the Noise Industry
The automotive and motorcycle industry blamed for noise pollution is internally divided into at least four tiers: manufacturers, aftermarket parts makers, dealerships, and user clubs. Because each tier pursues different interests, industry-wide self-regulation is structurally impossible.