Bio-tiles developed to replace ceramic ones, NexTraq's new fleet management smartphone app and contractors' optimism that the recession is over were the big topics of interest for Utility Dive readers this week. Meanwhile, in an impressive tour de force, crews in Oregon moved a bridge using dish soap as lubricant. 

In case you missed it, this is the week's most read news:

• Fleet management app arrives on smart phone: NexTraq is out with a smartphone app that lets workers receive and deliver up-to-date data in the field.
• 3,400-ton bridge + dish soap = smooth move: Crews moved aside the busiest two-lane bridge in Oregon in 14 hours so it can be a detour while a new span is built.
• Researchers see bio-tiles banishing ceramic in residential uses: A German lab has developed tiles made from renewable products that are lighter and quieter than ceramic and can be shaped and colored for designers.
• Contractors see a real recovery and are starting to raise headcounts again: Contractors are adding people as business begins to rise on the recovery wave, and they believe it may be real.
• What kind of UK HQ will $1 billion buy Google?: The company has reportedly chosen the Kings Cross Central development in London for its massive new office complex.

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