Correct answer: D. Green diesel may never be used in a car.
If, in its normal use, a vehicle is used on a public road, it must use unmarked (white) diesel, as the appropriate excise duties are included in the purchase price. Drivers can be prosecuted for using green diesel in a vehicle on a public road.
This is an official-style question from the Legal Matters & Rules of the Road topic of the Ireland driver theory test (Cat. B). Practise all 807 questions free on iTest.ie — with timed mock exams, automatic mistake tracking and progress sync across devices.
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