富比士文章指出為何特斯拉跟美國國家公路交通安全局的雙方主張都沒錯
原文連結：
https://www.forbes.com/sites/bradtempleton/2019/08/08/tesla-and-nhtsa-spar-ove
r-tesla-safety-claims-theyre-both-right/#51b8b4110388
原文內容：
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.
重點翻譯：
NHTSA 的撞擊測試是用一面牆，然後根據撞擊的結果來算出一個分數。Model 3 的確拿到
了有史以來的最高分，那為什麼 NHTSA 不希望特斯拉主張 Model 3 是有史以來最安全的
車呢？因為實際車禍不會只是撞一面牆，有可能撞到一台安全性也高的悍馬，或是一台根
本不符合安全規定的改裝貨車，這都有可能讓 Model 3 撞擊結果不符合測試結果。
用拳擊來比喻的話，可能一個輕量級的選手擁有有史以來最好的數據，但對上一個數據稍
低的重量級選手，你可能還是想賭後者贏。
NHTSA 並沒有直接否認「Model 3 是有史以來最安全的車」這句話，而是說他們的分數不
能拿來比較重量差很大的不同車款，所以他們不希望特斯拉這樣比較。
但是特斯拉也沒錯，不管是跟同重量級的車比較，或是跟不同重量的車只比撞牆，Model
3 的確就是最安全的車。
作者另外還懷疑，特斯拉刻意繼續這樣比較的原因是這類的報導讓 Model 3 跟「有史以
來最安全」這個關鍵字持續曝光，當作免費的正面宣傳。
心得/說明：(30字以上)
所以說 Model 3 是有史以來最安全的車並沒錯
但是以 NHTSA 的立場 應該要加上兩個條件
1. 只跟同重量級車比
2. 跟不同級車比 只比撞牆
Model 3 如果撞上火車 當然還是火車比較安全
但是跟同級車比它的確是有史以來最安全
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