Correct answer: A. Fuel consumption increases.
Harsh acceleration increases fuel consumption. Smooth acceleration helps to reduce fuel consumption and the emissions from vehicles. Try not to over-rev the engine and use the appropriate gear for the speed of the vehicle. When slowing down, take your foot off the accelerator and allow the vehicle to slow progressively before you brake.
This is an official-style question from the Safe and Responsible Driving 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.
Practise the full question bank free →