Manitoba Knowledge Test Coach
Safe drivingQuestion 310 of 310

What is the shortest idling time that wastes more fuel than stopping and restarting the engine, except in traffic?

  1. 2 seconds
  2. 10 seconds
  3. 30 seconds
  4. 2 minutes
Show answer

Correct answer: 10 seconds

Idling for more than 10 seconds uses more fuel than a restart.

Source: Driver's Handbook (Manitoba Public Insurance, February 2026), Fuel efficient driving techniques, page 127

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Questions last reviewed: 18 October 2026