US lawmakers said yesterday they intend to tighten restrictions on investors, to limit speculation on the soaring price of oil and bring the price of a barrel back down.

Members of Congress said on Monday that they intend to tighten investment restrictions on pension funds, investment banks and other large investors who they blame for driving up the price of fuel. They say that speculation in crude futures has nearly doubled since 2000 and had raised the price of oil by up to $70. ... Read full article