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Comment by ams6110 | Hacker News Reader

Carbon fiber is stronger and lighter than either.

Yes but carbon fiber shards. Aluminum crumples, which is good for absorbing energy and keeping people safe while in a car.

Yep, exactly. Carbon fiber is great for aircraft, not so good for cars.

Boeing 787 Wind Failure Test: EDIT: Link removed due to comment advising there was malware. Google for "boeing wing stress test" to find a Youtube video

A carbon fibre car performing well in a crash test:

  https://www.youtube.com/watch?v=guOq9cdFbJA

Just a headsup,a link inside the article about a video of an airplane wing failing has gone bad and now leads to a malware site.

Thanks for the heads up!

The "carbotanium" (bonded titanium and carbon composite) of the Pagani Huayra is supposed to get around some of the problems of using carbon composites in a car.

Not exactly cheap though...

Also the glues in carbon fibre are probably not ideal in the event of a fire.

Also way more expensive.

Not if the price of aluminum is falling as quickly as it is. Thanks China!

EDIT: I replied to the wrong comment. My apologies!

Er, carbon fiber is the more expensive one, by a huge margin. A falling price of aluminum just makes that worse!

Edit reply: wrong comment makes more sense! Well, I'll let this stand in case anyone doesn't know that carbon fiber is expensive.

Carbon fiber can't be recycled.

You can burn it!

Reply on news.ycombinator.com