Home / New Brunswick / Questions / Rules of the Road Rules of the Road Report Diesel vehicle won't start at -30°C: A Keep cranking B Block heater ≥2 hours; winter diesel; gentle start C Push-start D Gasoline Show Answer & Explanation Correct Answer: B. Block heater ≥2 hours; winter diesel; gentle start Gasoline destroys diesel engine. Previous Next More Rules of the Road Questions Ambulance oncoming on divided highway with siren: Vehicle registration in NB must be renewed: Is there a grace period for expired NB vehicle registration? A Level 1 Learner passenger limit: A Level 2 Novice driver passenger rule: Often Missed All New Brunswick Questions Smart Practice Mock Exam Road Signs Guide