And one of the big problems we're working on today is car safety and efficiency.

而我们今天正在钻研的一个重大问题就是汽车的安全性和效率。

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That dramatic difference has to do with the way car safety systems are designed, at least in older models, according to ABC News.

据abc新闻说，这种巨大的差别缘于汽车安全系统的设计方式，至少老款的汽车是这样。

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In the wake of Toyota's run-in with NHTSA, two Congressional committees are drafting new car safety legislation that is likely to include stiffer penalties for delays in disclosing safety defects.

在丰田与NHTSA发生争执后，两个国会委员会正起草新的汽车安全法规，可能会对拖延披露安全缺陷给予更严厉的处罚。

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Toyota has given a taste of self-drive car safety technology ahead of the Consumer Electronics Show (CES) in Las Vegas next week.

BBC: Toyota sneak previews self-drive car ahead of tech show

On the car safety side they have done a good job and they are really trying to bring a lot of the circuits that we run on up to the standards of the cars.

BBC: Your questions to Gil de Ferran

"The electricity used in building a car is about 20 percent of the cost of the structure, " said Marcilio Alves, an engineering professor at Brazil's premier University of Sao Paulo and one of the few independent researchers in the nation looking at car safety.

NPR: AP IMPACT: Cars Made In Brazil Are Deadly