When gas prices rise, people's thoughts naturally jump to alternative fuel sources. Early adapters are already making the shift to hybrid cars, and eventually, we'll all be driving gasoline-free vehicles. Check out the articles in this roundup to learn all about the growing technology of alternative fuel.
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Electric vehicles have been around, off and on, for more than 100 years -- and this time around, they're failing to meet sales projections. Is it still too soon to write them off for good?
With very few exceptions, cars have always required batteries. Hybrid and electric cars use high-powered (and often expensive) battery packs, but could you power your car with ordinary AA batteries?