Starting tomorrow motorists will pay a higher price for diesel fuel. The price of diesel is now at its highest level since last November. The maximum price for a litre of diesel is going up 4.5 cents to 1.979 euros. Heating fuel is also becoming more expensive. The maximum price per litre on an order of 2,000 litres is going up 2.82 cents to 1.060 euros a litre.