Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Volvo PV800 Series -  The Volvo PV800 Series (affectionately known as Volvo-suggan or the Sow) was a taxicab manufactured by Volvo between 1938 and 1958. The Sow dominated the Swedish taxicab market during the 1940s and 1950s.
A:
Mean Of Transportation