(ANSA) - BELGRADE, JUN 29 - The price of a litre of petrol on Slovenia's national road network will rise by 0.7 cents at midnight to EUR 1.537, while diesel will be 0.2 cents cheaper at EUR 1.605, according to the Ministry of Infrastructure and Energy on Monday. The new prices, which only apply to service stations outside motorways, will be in effect for seven days, from June 30 to July 6, the Slovenian news agency STA informed today. (ANSA).