Vegetable oils are also used to make biodiesel, which can be used like conventional diesel.
Bethune reluctantly had to fall back on conventional diesel once due to a lack of availability.
The artificial diesel can be mixed with conventional diesel in any proportion.
The Turbo Train's top speed yesterday, 110 miles an hour, was not much faster than that offered by the conventional diesels.
Such locomotives are used where a conventional diesel or electric locomotive would be unsuitable.
Vegetable oils are the basis of biodiesel, which can be used like conventional diesel.
But in the cold, most drivers opt for B20, which is mixed with conventional diesel to prevent congealing.
Many of these run on readily available jet fuel (kerosene), or on conventional automotive diesel.
Vehicles have similar horsepower and torque as conventional diesel when running on biodiesel.
She has a gas turbine alongside the conventional diesels which gives her high cruising speed.