Those links, one per line:

https://news.ycombinator.com/item?id=14738010

https://news.ycombinator.com/item?id=21237875

https://news.ycombinator.com/item?id=18959796

https://news.ycombinator.com/item?id=19845029

https://news.ycombinator.com/item?id=14738010

http://lesswrong.com/r/discussion/lw/nk0/what_is_up_with_car...