In Riyadh, Saudi Arabia.
A list of the cheapest fuel around the world,
TOP TEN CHEAPEST PETROL PRICES WORLDWIDE Position
Country - City - Average price per litre
1 Venezuela - Caracas - 2/3p
2 Saudi Arabia - Riyadh - 7,5p
3 Libya - Tripoli - 9p
4 Turkmenistan - Ashgabat - 12p
5 Bahrain...