The story

The Senate voted Wednesday to move forward on a bill meant to crack down on oil speculators.

But Republicans vowed to block the Senate from taking up any other measure until the Democratic leadership agrees to vote on other energy-related issues.

Republicans want to offer up to 28 amendments to the bill on a wide range of energy topics, including increasing domestic oil production. Read full article »

CNN's Ted Barrett, Debra Krajnak and Scott Anderson contributed to this report.

All About Energy Policy • Oil Production and Refining