Average values over all rural stations which reported data over at least eleven years in the period 1996-2009. The black line corresponds to the 5-year averaged value. Variations over Europe in observed values is large, eighty percent of the observations falls with the red shaded area.
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This will reduce wear and tear on them and increase their longevity, thereby saving money. It also saves precious raw material: it takes 27 litres of crude oil to produce a new tire. Under-inflated tyres also increase fuel consumption by up to 10%. Check your tyres at least once a month. It takes but a few minutes.
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