 All coal hauled on the Tramway needed to pass along the A&BR from Verney Junction or Aylesbury and Jones had to raise prices to cover the surcharge or keep prices stable despite the loss of profits.Road-hauled coal from Bicester was already undercutting the Tramway and the unreliable engines had given the Tramway a poor reputation.Jones kept prices fixed and absorbed the increased costs, wrecking the Tramway's already declining business.