1.   But whether biodiesel actually reduces particulate emissions is a key point of contention.

2.   In a written statement, the company said it would continue developing new technologies to control particulate emissions, and would continue supporting scientific research.

3.   That means the government should pursue any strategy to reduce particulate emissions, he added.

4.   The most common approach, though, is to treat the emissions after the coal is burned with expensive scrubbers to cut down on sulfur dioxide and particulate emissions.

5.   The study is only the latest in a series that links particulate emissions to illness and death.

6.   Along with reducing nitrogen oxides and sulfur dioxide, Dominion will cut particulate emissions, or soot, at the eight plants in Virginia and West Virginia.

7.   Dominion will also cut particulate emissions, or soot, which is a factor in asthma and other respiratory ailments.

8.   Dominion will also will cut particulate emissions, or soot, which is a factor in asthma and other respiratory ailments.