Clive Sinclair 1985 owing to Sinclair's financial troubles.) The following year, he received a knighthood and formed Sinclair Vehicles Ltd. to develop electric vehicles, which resulted in the unsuccessful Sinclair C5 in 1985. In 1984, Sinclair launched the Sinclair QL computer, intended for professional users. Development of the ZX Spectrum continued with the enhanced ZX Spectrum 128 in 1985. In April 1986, Sinclair Research sold the Sinclair trademark and computer business to Amstrad for £5 million. Sinclair Research Ltd. was reduced to an R&D business and holding company, with shareholdings in several spin-off companies, formed to exploit technologies developed by the company.
Personal public transport for a single trip on public thoroughfares either shared by other modes or segregated. The user is responsible for adhering to all laws and regulations while using the vehicle and enforcement is done through existing public law enforcement mechanisms such as licensing and ticketing. While a PPT is a general public transport service, it generally requires users to be registered with the system or to pay a deposit to ensure the return of the vehicle in good working condition. The tipping point of successful PPT systems has been the application of information technology systems (ITS) enabling user identification and vehicle