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

82.   By these means, tailpipe emissions would be reduced by half or more over the early years of the next century.

83.   Carol M. Browner, the agency administrator, said the change would reduce emissions that cause or aggravate respiratory disorders.

84.   Chevron could still reduce vehicle emissions to levels required by the U.S. Environmental Protection Agency and the state Air Resources Board, he said.

85.   California regulators say that reducing emissions of greenhouse gases is not their problem, and should be handled by the federal Environmental Protection Agency.

86.   Canada, Japan, Australia and the United States are part of an umbrella group that supports flexible solutions to reducing carbon dioxide emissions.

87.   Christy has no complaint with reducing toxic emissions like methane, sulfur dioxide and nitrous oxide.

88.   Clinton has to decide -- before worldwide environmental ministers gather in Kyoto, Japan -- how much and how fast U.S. emissions should be reduced.

89.   Clinton was able to get Argentine President Carlos Menem to agree that developing nations must play a role in reducing emissions.

90.   Changing to natural gas reduces emissions sharply.