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ANSI/OPEI Z135-2020
Personal Transport Vehicles - Safety and Performance Specifications (Revision and redesignation of ANSI/ILTVA Z135-2012)
This standard provides safety and performance specifications relating to personal transport vehicles (PTVs), driven by electric motors or internal combustion engines to be operated on designated roadways, or within a closed community where permitted by law or by regulatory authority rules.
Outdoor Power Equipment Institute [opei]