...laptop, when configured with the right components, is capable of providing 24 hours of continuous usage on a single battery charge. Road warriors and other heavy users are well familiar with the frustration of a dead battery on a long airline flight...
http://www.technewsworld.com/rsstory/64441.html
There is now a consensus for radical change in transport policy. The previous Government's green paper paved the way with recognition that we needed to improve public transport and reduce dependence on the car.
http://rs1.sze.hu/KO/download/whitepaper.doc