Your body as a battery: New tech harvests energy from movements, more

Fed up with constantly having to recharge or replace batteries in your ever-expanding trove of electronic gadgets? The solution may be just a few steps away. 'Energy harvesting' promises to power innumerable consumer devices, often with nothing more than your body's movement or heat.  
Google unveiled its first "fully functional" prototype for its own self-driving car Monday, and plans to test it on Bay Area public roads in the new year.  
 
 
REVIEWS & TIPS
(Bebeto Matthews)
5 fitness trackers to consider for holiday gifts

There are several fitness trackers to choose from, varying in what they measure and how easy they are to use. Here are five, ranked from budget to sophisticated, to give you a sense of the range available. By no means are these the only good offerings out there. 
EAST BAY
( ARIC CRABB )
Q&A: Fremont teen crowd-funds for African orphans

After teaching herself to program iPhone gaming apps and get them posted on Apple's app store, the Fremont teen is using them -- along with a crowd-funding campaign she began this year on her website, Rizikitoto -- to raise money for African orphans so they can become self sufficient.
 
SPOTLIGHT
( Laura A. Oda )
FedEx, UPS confront busiest holiday season on record

The next week is a 24/7, backbreaking, sleep-deprived haul for couriers such as FedEx, the United Parcel Service and the U.S. Postal Service, the last connections between shoppers and their much-anticipated gifts -- and there is no room for mistakes. 
New Year's Eve: 12 great sparkling wines under $30

Ready for that New Year's Eve bash? These California sparkling wines are dazzling enough to impress, but with price tags in the $14 to $29 range, they won't punish your pocketbook.