As a member of SAE International's Powered Micromobility Vehicles Committee, MacArthur helped co-author a technical report on Taxonomy and Classification of Powered Micromobility Vehicles. These vehicles may be privately owned or available via shared- or rental-fleet operations. This report does not provide specifications or impose design requirements for powered micromobility vehicles. SAE International, previously known as the Society of Automotive Engineers, is a U.S.-based, globally active professional association that develops standards for engineering professionals in the mobility industry. (Image: SAE J3194™ Taxonomy & Classification of Powered Micromobility Vehicles)