The faulty engines can cause toxic fumes to leak into the aircraft cabin's air supply, posing health and safety risks to crew members and passengers.

Such incidents have led to brain injuries for crew and passengers, The Wall Street Journal reported earlier this month.

Well, if you ask us, it's James May and Richard Hammond. These two gentlemen are just the kind of out-of-the-box thinkers who could throw out a fantastic list without having to do a research study ...