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Who knew there's all sorts of non-100 mpg plug-in car hacks for the Toyota Prius? From the way owners seem to talk about it — these li'l gas-sippers were born perfect. Apparently there's all sorts of fun stuff enterprising owners are doing to their better-mileage-than-the-rest vehicles, and CNET's got some of the best of them. We've included a few after the jump:

• Switch the Prius on-the-fly into "all-electric mode" while driving at low speeds in short drives.
• Use the onboard navigation system while driving — something impossible on a just-off-the-showroom-floor Prius.
• A cardboard cut-out of a Lambo to drop over the top of your hybrid so that women still think you're cool.

Hacking your Prius [CNet]

CNET Shows Off How To Upgrade A Prius For 100 mpg [internal]