Please answer the following question: British Rail GT3 - GT3 meaning Gas Turbine number 3 (following 18000 and 18100 as gas turbines 1 and 2) was a prototype mainline gas turbine locomotive built in 1961 by English Electric at their Vulcan Foundry in Newton-le-Willows to demonstrate its wares to British Railways. It was designed by Vulcan engineer J. O. P. Hughes in a project that started in the early 1950s. Externally it resembled a steam tender locomotive although in the case of GT3 the tender carried diesel fuel. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Mean Of Transportation