Comment on Why it makes sense to bike without a helmetparentComments−xxgreg12yOk that leaves pedestrians, who have twice as many head injury's per km. Most likely due to being hit by cars - perhaps cars should have airbags on the outside too...−Erwin12yVolvo does have such a pedestrian airbag: https://www.youtube.com/watch?v=X2Aw4eZoijkApparently that model has scored the highest Euro NCAP crash test as of 2012 (the NCAP tests tests both damage to drive AND pedestrians).
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Ok that leaves pedestrians, who have twice as many head injury's per km. Most likely due to being hit by cars - perhaps cars should have airbags on the outside too...
Volvo does have such a pedestrian airbag: https://www.youtube.com/watch?v=X2Aw4eZoijk
Apparently that model has scored the highest Euro NCAP crash test as of 2012 (the NCAP tests tests both damage to drive AND pedestrians).