Hybrid pneumatic engine: a new type of hybrid
A new type of hybrid engine could accelerate the 
world-wide spread of hybrid engines in general. The current hybrids with combustion engine and electric engine are very complex, expensive, heavy and have a battery to be taken care of once the car reached its end of life. The new hybrid, developped by Prof. Dr. Lino Guzella and his team at the technical university (ETHZ) in Zurich, uses compressed air to increase the efficiency of a combustion engine. The air would be pumped in a tank when braking and used when accelerating. Read on...
On May 15 and 16, 2009, you can return your old cell phone for recycling and you receive a chocolate cell phone instead. This incentive should inspire people to recycle instead of throwing the cell phones away. Many cell phone components are highly toxic if burned, and raw materials like copper should rather be re-used. According to
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