楼主:
hanchueh (RaidenHC)
2019-08-11 00:55:16富比士文章指出为何特斯拉跟美国国家公路交通安全局的双方主张都没错
原文连结：
https://www.forbes.com/sites/bradtempleton/2019/08/08/tesla-and-nhtsa-spar-ove
r-tesla-safety-claims-theyre-both-right/#51b8b4110388
原文内容：
Last October, the NHTSA, the federal agency that (among other things) does saf
ety crash tests wrote a letter to Tesla, telling them not to say things like
“Model 3 achieves the lowest probability of injury of any vehicle ever tested
by NHTSA” and “But when a crash happens in real life, these test results sh
ow that if you are driving a Tesla, you have the best chance of avoiding serio
us injury.”? Car companies who do the tests have to follow regulations about
how they express the results, and NHTSA says Tesla’s marketing breaks those r
ules, and ordered them to stop. Tesla said they won’t stop — I’ll get into
why they would be this defiant below.
When NHTSA does a test, they slam a car into walls and barriers.? They calcula
te a score based on, among other things, how the crash test dummies come out o
f it. The Tesla Model 3 did indeed get the best score ever, and this is part o
f why I bought mine.
NHTSA doesn’t want Tesla saying those claims because it declares that the num
bers can’t be compared between cars that are very different in weight.? That
even if the test did indicate that you would do better in a Tesla Model 3 than
any other car hitting a wall, this might not be true if your Tesla crashes in
to a safely designed Hummer or even an unsafely designed transport truck.
In boxing, they sometimes try to judge boxers on what they call a “pound for
pound” comparison, trying to score them independently of their weight. Mostag
ree that Sugar Ray Robinson was, pound-for-pound, a much better boxer than Mik
e Tyson. But if you had to bet on one in a fight, you would probably bet on Ty
son.
Tesla notes that the Model 3 is heavy as cars go, and it is, because of its ba
ttery pack, but it’s still not a truck.
NHTSA is not saying the Tesla isn’t the safest car ever.? Rather, they are sa
ying, because their tests can’t be used to compare cars of very different wei
ght, they don’t have the answer to that question, and Tesla should not imply
they have said this. They’re right, and probably have the legal authority
to demand this. But Tesla’s score is very impressive, and very likely means t
hat “pound for pound” it is the safest car made so far, and the safest of an
y car, regardless of weight, in a crash against a stationary object. That’s s
omething to be proud of. And while NHTSA says their scores are not approved to
be compared between weight classes, that doesn’t mean that it might be possi
ble to do so.
So why would Tesla defy NHTSA on this, and not simply come up with more subtle
ways to say their message? I have a cynical suspicion that they don’t mind a
ll the press this battle has generated; you’re reading some of that press now
. It’s a nice thing to see tons of press about the very fine points of how yo
u define “safest car ever” and who can say what, because the main thingleft
in the mind of the public is a very positive message for Tesla.
重点翻译：
NHTSA 的撞击测试是用一面墙，然后根据撞击的结果来算出一个分数。Model 3 的确拿到
了有史以来的最高分，那为什么 NHTSA 不希望特斯拉主张 Model 3 是有史以来最安全的
车呢？因为实际车祸不会只是撞一面墙，有可能撞到一台安全性也高的悍马，或是一台根
本不符合安全规定的改装货车，这都有可能让 Model 3 撞击结果不符合测试结果。
用拳击来比喻的话，可能一个轻量级的选手拥有有史以来最好的数据，但对上一个数据稍
低的重量级选手，你可能还是想赌后者赢。
NHTSA 并没有直接否认“Model 3 是有史以来最安全的车”这句话，而是说他们的分数不
能拿来比较重量差很大的不同车款，所以他们不希望特斯拉这样比较。
但是特斯拉也没错，不管是跟同重量级的车比较，或是跟不同重量的车只比撞墙，Model
3 的确就是最安全的车。
作者另外还怀疑，特斯拉刻意继续这样比较的原因是这类的报导让 Model 3 跟“有史以
来最安全”这个关键字持续曝光，当作免费的正面宣传。
心得/说明：(30字以上)
所以说 Model 3 是有史以来最安全的车并没错
但是以 NHTSA 的立场 应该要加上两个条件
1. 只跟同重量级车比
2. 跟不同级车比 只比撞墙
Model 3 如果撞上火车 当然还是火车比较安全
但是跟同级车比它的确是有史以来最安全
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