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In brief: Issue 597 25 May 2012

‘Stiffer pavements will cut fuel use’

A study by civil engineers at the Massachusetts Institute of Technology suggests that using stiffer pavements could reduce fuel consumption by as much as three per cent. The study models the impact of vehicle deflection on 5,643 representative sections of the nation’s roads on fuel consumption and concludes that building stiffer pavements with thicker asphalt layers or a concrete or asphalt-concrete structure would pay for itself in fuel efficiency and decreased carbon dioxide emissions...

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