The “ultra-low” sulfur standard for diesel fuel and what it could mean to refiners, engine manufacturers and the people who use it will be the subject of a Senate hearing June 15.
On May 17, the Environmental Protection Agency directed the petroleum industry to make ultra-low-sulfur diesel available, beginning June 1, 2006, to address public health concerns about the effects of soot and smog.
At 15 parts per million, the sulfur content of the new fuel would be 97% less than the content of today’s diesel, which is labeled a low-sulfur fuel.
“Obviously, we are quite concerned about” the proposal, said Gary Hoitsma, spokesman for Sen. James Inhofe (R-Okla.), who chairs the subcommittee on clean air for the Senate Environment and Public Works Committee.
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