External airbags could reduce injuries by 30 per cent

ZF has been looking into the impact external airbags could make on car accident injury rates. Turns out, it's potentially huge. According to the company, its prototype external side airbag could lessen occupant injury severity by a whopping 30 per cent in perpendicular crashes. Obviously, ZF hasn't just strapped a heap of steering wheel inflators on the side of a car. The test unit has a 250L volume, making it three times the size of a regular curtain airbag.

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