The researchers suggest that the set-up would also save on electricity costs since it should require between 10 and 50% less power to illuminate a section of road than current LED streetlamps.

BBC: LED streetlamp aims to improve public's view of stars

As Qaddafi intensifies his attacks on rebel-held areas, how concerned is the President that by the time the United Nations decides to act it would be too late to save lives and too late to set back the advances of Qaddafi towards these areas?

WHITEHOUSE: Press Briefing

Nor is it obvious that the new system will save money: it will be up to IPSA to set the limit for rental and other claims.

ECONOMIST: Reforming parliamentary expenses