Very dangerous misunderstanding! Snow packed up around a vehicle has the same effect as being in a garage and definitely can cause lethal poisoning. When I'm d

Very dangerous misunderstanding! Snow packed up around a vehicle has the same effect as being in a garage and definitely can cause lethal poisoning. When I'm doing multi-day off-roading we carry exhaust hoses to take the fumes far away, even though we're outside the whole time.