Old catalyst can clean up new cars

[fafalone]

Nature Science Update posted an article about an experiment showing that a perovskite (LaFe0.57Co0.38Pd0.05O3) can reduce the amount of precious metal currently used to break down harmful vehicle exhaust gases by up to 90%. Check out the article for more details, as I'm not familiar enough with this area to write about it.

[kenel]

It appears that new technology isn't always as useful as it appears. A similar discovery was made using a "prehistoric" transistor to produce "better than excellent" sound from a stereo system. Change is bad.