There are numerous references to so-called "Books of Knowledge, " highly confidential information on design, safety systems and testing records allegedly generated by Toyota engineers on everything from roll-overs and roof safety to sudden unintended acceleration.

CNN: STORY HIGHLIGHTS

Apple engineers have grown confident that the chip designs used for its mobile devices will one day be powerful enough to run its desktops and laptops, said three people with knowledge of the work, who asked to remain anonymous because the plans are confidential.

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