Making a Clean Getaway

Perusing the most recent copy of The Economist, I read several articles about technologies that could make transportation cleaner. Like the global recession we are in right now, we are all aware of global warming. With much emphasis on cleaning up our act and reducing carbon emissions, companies are revamping existing models to make them "green" worthy.

In Shifting gears, it speaks of making airplane engines more efficient. To reach the goal of 50% less emissions by 2020, manufacturers are developing new ways of energy transference that may improve efficiency by that landmark, or greater.

Recharged is an article about using older lead-acid batteries with a modern infusion of technology to again make them viable in the energy storage market. They must compete with newer, lighter, and more resilient nickel-metal hydride and lithium-ion batteries that pack a longer punch.

The last is a story of how used coffee grounds are being used to create bio-diesel. The article states that coffee grounds may be better than some existing sources of bio-diesel for several reasons, one being that the source wouldn't have to be grown explicitly for energy creation. Sounds like my cup of c.

One more thing, can anyone tell me what twitter is about? Is this just another form of information overload?