Although the current batteries are "durable and reliable, " Hartline said lithium ion batteries pack more energy into a smaller space.

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U.S. stocks fell last week for the first time in five weeks on those Fed concerns, although losses were mild because of an upbeat durable goods report.

WSJ: European Stocks Push Higher

The project undertaken by the Kerala Highway Research Institute in India, where shredded plastic waste has been mixed with bitumen to lay roads, is certainly a good example of the former, particularly as the proponents of the scheme claim the road is stronger and more durable than non-plastic roads, although that remains to be seen.

CNN: All about plastic

Durable goods orders for October got things started although the effects of Hurricane Sandy were dominant.

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Although value engineered, this system stays true to the brand's audiophile heritage by utilizing durable, high-quality components and the same state-of-the-art horn-loaded technology that has made Klipsch an industry leader for more than 65 years.

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Although she's likeable enough I can't see Noomi Rapace's Shaw proving as durable as Sigourney Weaver's Ripley either.

CNN: SHARE THIS

And although he intersperses candour with tact, assuring us that the young Saudi princes are smarter and more durable than we tend to think, frankness wins out in the end.

ECONOMIST: Saudi Arabia's future

Although the federal government's support for basic research so far shows no sign of waning, academics wonder how durable that commitment will prove now that, post cold war, national security has become less of a reason to invest in science.

ECONOMIST: The knowledge factory