A year ago, south-central Kansas was bustling with oil rigs and pumps as world oil prices soared. This pump was at work in an oil field in Kingman County.
A year ago, south-central Kansas was bustling with oil rigs and pumps as world oil prices soared. This pump was at work in an oil field in Kingman County. Travis Heying / Kansas City Star
A year ago, south-central Kansas was bustling with oil rigs and pumps as world oil prices soared. This pump was at work in an oil field in Kingman County. Travis Heying / Kansas City Star

Regulators aim to curb speculators' influence on oil prices

July 07, 2009 5:00 AM