Sunday, October 7, 2007

A couple of hopeful energy technologies

I first read about EESTOR in MIT Technology Review several months ago under the headline "Too Good to Be True"? They claim to have an "ultracapacitor" technology that will make batteries obsolete.

A less exotic but still exciting battery breakthrough is from Firefly Energy.
They claim to have swapped out most of the lead in lead-acid batteries for
a carbon foam, which is of course much, much lighter.

It seems that either one of these could make electric cars practical, at last.

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