Spain has introduced a lower speed limit on its motorways to reduce fuel use amid fears for oil supplies due to the civil unrest in Libya.
Under new rules, the maximum limit on motorways has been cut from 120 kph (75 mph) to 110 kph (68 mph).
A fine of 100 euro (£86) will be imposed on drivers violating the limit, but there will be no penalty points added to their licence.
Authorities have defended their decision to roll out fuel-saving regulations saying these are necessary because three-quarters of Spain's energy needs at met by imports.
Thousands of old speed limit signs along Spain's motorways have now been replaced with ones showing the new limit.
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