To steam or not to steam, that is the locomotion

Staem train Shakespeare Express at Haddenham and Thame Parkway
Staem train Shakespeare Express at Haddenham and Thame Parkway

IS this a steam train I see before me, at Haddenham and Thame Parkway?

With a hiss and a billow of steam the Tornado made its dramatic entrance to the village station. The unusual sight was welcomed by enthralled spectators as it pulled the Shakespeare Express and its compliment of passengers. Picture by Paul Roberts