 On 21 November 2014, the company began a service between Bristol and Bath using the country's first bus powered entirely by human and food waste.The biomethane gas is generated at Bristol sewage treatment works in Avonmouth, which is run by GENeco, a subsidiary of Wessex Water.As well as open top bus tours in Bath, Cardiff and Windsor, Bath Bus Company operates a service from Bath to Bristol Airport branded as "Air Decker".