Inflatable parts will need a way to ensure they can't obscure the windshield after a catastrophic failure, e.g. hitting a deer at 70mph.
(Of course you could just over-build to withstand the impact, though it would make for an interesting liability case (and interesting dashcam video) the first time a deer gets bounced off the highway and through someone's roof)
(Of course you could just over-build to withstand the impact, though it would make for an interesting liability case (and interesting dashcam video) the first time a deer gets bounced off the highway and through someone's roof)