"The Environmental Protection Agency moved Tuesday to end a long-running dispute with Texas over how the state regulates emissions, including cancer-causing toxins such as benzene and butadiene, from dozens of refineries that produce a third of the nation's gasoline and billions of dollars of petrochemicals."

"The crew of the Deepwater Horizon had a number of warning signs extending over five hours that conditions were worsening deep underwater before the oilrig exploded in the Gulf on April 20, BP's own investigators told a House inquiry into the cause of the deadly accident."

"Federal officials who oversaw drilling in the Gulf of Mexico accepted gifts from oil companies, viewed pornography at work and even considered themselves part of industry, the Interior Department inspector general says in a new report." The House Natural Resources will grill Interior Sec. Salazar on the report this morning at 10 am EDT.

"The most critical moment in the oil spill crisis in the Gulf of Mexico is at hand, as BP engineers armed with 50,000 barrels of dense mud and a fleet of robotic submarines are poised to attempt a 'top kill' maneuver to plug the gushing well a mile below the surface."

"Gov. Arnold Schwarzenegger (R) was joined by executives from Google Inc., Wal-Mart Stores Inc., YouTube LLC, and designer chairmaker Herman Miller Inc. yesterday to launch a nonprofit group created to help scrub hazardous chemicals from consumer products."

"Under increasing pressure from the federal government, oil giant BP is agreeing to reduce the amount of a chemical dispersant it is using in the Gulf of Mexico."

"The Obama administration Monday declared a commercial fisheries failure in Louisiana, Mississippi and Alabama as a result of the Deepwater Horizon oil spill, paving the way for federal grants to offset financial losses in the fisheries industry."

"A dearth of information about the ingredients of various oil-dispersing formulas is complicating an increasingly rancorous debate over which, if any, is the best choice for cleaning up the catastrophic spill in the Gulf of Mexico."

"Greenhouse gas emissions from medium-duty and heavy-duty trucks and buses will be regulated by the federal government for the first time beginning in model year 2014 under an official Memorandum issued [May 21] by President Barack Obama."