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Your article incorrectly stated that regeneration recovers heat from braking. Regenerative braking converts the kinetic energy of the moving car directly into electricity using a generator. The energy is never heat in the process. The brakes work the same way a power turbine does when it converts the kinetic energy of moving water into electricity at Hoover Dam. Normal car brakes do convert kinetic energy into heat. And hybrid cars do have a set of normal brakes for use when necessary. But the heat created that way is dispersed into the atmosphere, not converted into electricity. Dexter Ford, MANHATTAN BEACH, CALIF.

Maxed Out on Palin

I have one question for all the "maxed-out moms" who identify with Sarah Palin [Sept. 29]. If you feel she's just like you, do you really think she has the time or ability to take on the role of Vice President, in addition to her other responsibilities? I'd say probably not. I don't want someone in that position who is maxed out. I want someone who is at a place in life where he or she can devote the time and energy necessary to do the job. In this election, that person is not Palin. Lu Stewart, EVERGREEN, COLO.

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