The word trend isn't quite right but I agree that the laws and standards lag behind the technology.
It's more of a wake-up call. I read that Tesla's investors filed a lawsuit last week stating that they had been "mislead". I doubt that the company lied. I think they got ahead of themselves on some things.
The front bumpers on my cars are already too low, causing severe scrapings whenever I park in a lot with curbs. I can't imaging trying to drive in snow with a low grate plowing the roads and highways wherever I go. They protect gas tanks, they should be able to protect batteries.
Each accident involved a different kind of obstacle. Reinforcing the armor plate will impact the cars weight and possibly make the front end heavier. In addition, the center of gravity may change. Impacting the performance. As noted in Elon's post nothing can prevent a 25ton force from punchering the the armor plating. They should consider retofitting the cars with an impact grill. A device that is mounted onto the front of the car, and lowered by the driver when needed to push debri out of the way. A ball hitch and curved metal piece would not impact the car thereby protecting the car's battery.
This may appear to be a trend, at least from a media perspective. These three incidents have been widely published by the media. Funny thing is that our local Fire Department responds to automobile fires on a regular basis, but I never hear about it in the news. This makes it difficult to determine if these 3 incidents are common or significant.
It would be best if the Model S was recalled and fitted with armor in response to the media hype if nothing else.
Chuck, I see a trend developing. Three of the same type of accident in a month is a big number. This is especially true if you consider the relatively small number of cars on the road. I know that the Tesla S has sold well for a car in that price range, but it is still a small number compared to more mass market vehicles. While the NHSTA claims that they found no violations of Federal safety standards or defect, this is probably because they do not really have enough information on these types of vehicles. Frankly, Federal regulation in these areas tends to follow rather than lead.
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