Nokia launched another addition to its Lumia Windows phone lineup, emphasizing high-end camera features, wireless charging and lightweight components.

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The SLS AMG Black Series gets even more horsepower than the already stupidly fast regular version and drops more than 150 pounds by using lightweight components.

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Like the chassis, the suspension components have been revised, in lightweight aluminum, reducing ride harshness and improving roadholding.

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The overall construction -- which can be broken down into its constituent head, neck and body components for transport -- feels lightweight and borderline-flimsy at times, though to be fair, it's held up remarkably well during our time with it and we don't have any reason to suspect it might do otherwise.

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At the new technical center near Shanghai, GM and its Chinese partners are jointly developing new cars based on GM components, including such high-tech elements as electric-car batteries, dual-clutch transmissions and lightweight materials.

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