Sinclair C5 computers like the hugely successful ZX81 and ZX Spectrum, an affordable electric vehicle could unleash pent-up demand for a market that did not previously exist. However, Sinclair performed no market research to ascertain whether there was actually a market for his electric vehicle; as the director of the Primary Contact advertising agency commented in January 1985, the project continued all the way to the prototype stage "purely on the convictions of Sir Clive". With Sinclair's new specifications in hand, Ogle worked on a three-wheeled design dubbed the C5, which bore similarities with the earlier three-wheeled Bond Bug – another Ogle
Personal transporter legislators discuss a rapidly emerging potential class of motor vehicle and its relationship to laws relating to other transport devices, including electric bicycles and mobility aids such as mobility scooters. Commonly used terms are used for these new devices include: Media: "rideable", "electric rideable", "electric personal transporter", "personal electric vehicle", "personal transporter" "portable electric vehicle" "portable personal vehicle" and "portable transporter". Legislative: "personal mobility device" (Singapore, Australia - Victoria Transport Policy Unit) "personal e-mobility device" (Underwriters Laboratory), "electrically motorized board" (California USA), "personal light electric vehicles" (European Union), "electric personal assistive mobility device" (Washington State USA), "powered transporters" (UK). Other