Chiltern Railways is now running trains powered by vegetable oil

Chiltern Railways has started running trains powered by waste vegetable oil instead of conventional diesel in the UK’s first example of Hydrotreated Vegetable Oil (HVO) being used in a UK passenger train.
(c) Chiltern Railways
The operator’s Class 68 locomotive-hauled trains will be powered with the new fuel, derived from used cooking oils, tallows and other recyclable wastes, rather than conventional diesel, reducing the impact the trains have on the environment and a