ScotRail has begun trialling Hydrotreated Vegetable Oil (HVO) as an alternative to diesel in one of its Class 156 train units.

ScotRail has started trialling vegetable oil as an alternative to diesel, describing the move as an “exciting step forward” ...

Scottish train operator joins forces with Angel Trains and Crown Oil for 12-week Hydrotreated Vegetable Oil trial ...

Caithness stations may soon see hydrotreated vegetable oil powered trains arriving as the rail operator researches the possibility.

Hydrotreated Vegetable Oil is going to be trialled as a diesel alternative on a ScotRail Class 156 train. The trial began on ...

ScotRail has announced it will be trialing using vegetable oil as an alternative to diesel fuel. The Hydrotreated Vegetable Oil (HVO) will be used in one of its Class 156 trains and the trial will run ...

HVO is a renewable and biodegradable fuel that ... It also improves air quality by a third compared to traditional diesel and the train it is used on remains in service throughout the trial.