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Hard driving to boost economy?

Could fuel economy and emissions be improved by making roads stiffer?

Research is being made into the relationship between tyre contact patches and economy

04th August 2007

That’s the question currently being asked by the Transport Research Laboratory.

The organisation, based in Crowthorne, Berkshire, is conducting a series of tests with specially constructed equipment to establish how tyre contact is affected by both road stiffness and texture. It hopes to show that even minor increases in efficiency resulting from reduced rolling resistance could lead to significant fuel savings and lower CO2 emissions. Early indications suggest that making the road surface harder does this.

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