Inter Press Service: Although some policy-makers have blamed producing countries for steadily rising oil prices, many experts say more fundamental factors are a growing demand-supply imbalance, a weak dollar, and market speculation. “Most members of OPEC are already producing at peak capacity, and Saudi Arabia, which has the greatest spare capacity, has been incrementally increasing its production –with the result that its spare capacity has been plunging to relatively low levels,” Dariush …