Oil demand in the road transportation section accounts for more than 50% of total world oil consumption amongst the whole sectors, including road, aviation, railway, waterways and international marine transportation. The high demand rate of oil makes this sector the main and major oil consumer...

Investment in the oil sector is the main policy of expanding net crude oil export capacity in OPEC Member Countries. The other alternative should be improving energy conservation policies. Since these countries benefit from cheap energy sources, it is reasonable to expect inefficient use of...