The debate within the industry is more subdued, perhaps to avoid a public fight between suppliers and distributors who don't want to rock the boat.
But some officials like Dan Gilligan, president of the Petroleum Marketers Association, representing 8,000 retail and wholesale suppliers has spoken out.
"Approximately 60 to 70 percent of the oil contracts in the futures markets are now held by speculative entities," he argues. "Not by companies that need oil, not by the airlines, not by the oil companies. But by investors who profit money from their speculative positions."