paving

From toilets to roads — concrete from the potty

It's "poticrete," actually, the name given an aggregate mix the city of Bellingham, Wash., used for a paved trail project -- a big portion of the aggregate is made of crushed toilets, sinks and other porcelain bathroom fixtures. The mixture is notablein that it marks the first "LEED-style certification," Christopher Mims wrote on thegrist.org, for something resembling a roadway. (The folks at the Greenroads Foundation designated the Poticrete trail its first certified Greenroad.) And I imagine it might ...

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How to save fuel: ‘Fix the roads!’ researchers say

We all know the tire makers have done their due in improving truck-tire rolling resistance in recent years to help operators save fuel with tire choices. Two Auburn University researchers say it’s time for the paving industry and the governments that allocate funds for roads to step up to the plate. They located a holy grail of sorts in fuel savings via the analytical report they presented at the midyear meeting of the National Asphalt ...

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