Electric vehicles are gaining some increasing acceptance on the roads, as some drivers realize that the vast majority of their trips are less than a 40-mile roundtrip. The "range anxiety" factor is still a concern for a lot of people, but there might be some alternatives to the existing rechargeable batteries in use today. Here are just a few examples of possible solutions to improve the energy storage capacity in electric cars.
If you'd like to read more awesome and interesting stuff, check out this unrelated (but not entirely random!) Techdirt post