The BET 500 was light car model developed by BET

Biotechnia Ellinikon Trikyklon

Biotechnia Ellinikon Trikyklon , or BET, was a small vehicle manufacturer founded in Athens by Petros Konstantinou. It was one of several manufacturers - the first appearing in the early 1940s - that converted BMW or other motorcycles into light utility three-wheelers...

, a small Greek

Greece

Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

 vehicle manufacturer. Introduced in 1973, it used a Fiat

Fiat

FIAT, an acronym for Fabbrica Italiana Automobili Torino , is an Italian automobile manufacturer, engine manufacturer, financial, and industrial group based in Turin in the Italian region of Piedmont. Fiat was founded in 1899 by a group of investors including Giovanni Agnelli...

 500cc engine, had a metal body and seated up to five passengers. It was certified for production and 15 were built and sold, of which one survives to this date in excellent condition. Although the car featured good road handling for a 3-wheeler and was roomy for its size, it could find few buyers at these, more prosperous times for Greece, while the company could not secure agreements with banks for favorable loans to potential buyers. Petros Konstantinou, owner of BET, hoped to sell the production rights to other countries; according to him, there were talks with a South African company involving plans for exports or transfer of production to that country, but they were never realized. Another planned version, the BET 600 was not built and the company ceased production altogether in 1975.