It’s no secret that batteries are the big hold up for automakers trying to make the leap to plug-in hybrids that could go an average day’s driving on battery power alone. There may be another option on the road to this low emission, high efficiency future: ultracapacitors. The latest edition of Scientific American has a nice piece exploring how these electronic devices help store and deliver more power, more quickly than batteries alone. Check it out here, “The Dark Horse in the Race to Power Hybrid Cars.”
BusinessWeek correspondents John Carey and Mark Scott, cover the green scene, keeping on top of the business aspects of energy, the environment and climate change, as well as the technologies, policies, markets and people that are shaping how the earth's resources will be used in the century ahead.