71.   The talks are being arranged by the International Civil Aviation Organization, the United Nations affiliate that sets international air standards.

72.   This air pollution standard is roughly comparable to current federal standards for tailpipe emissions from cars.

73.   This complex system helps states comply with air pollution standards.

74.   Tough new clean air standards backed by President Clinton yesterday should be a cinch to meet for the City of Las Vegas and local industries.

75.   Turbocharger sales are booming, driven by the need for fuel economy and mandated clean air standards.

76.   Under administrator Carol Browner, the EPA pushed for tougher air quality standards, lowering the allowable limits for ozone and small soot particles.

77.   Under EPA administrator Carol Browner, the EPA pushed for tougher air quality standards, lowering the allowable limits for ozone and small soot particles.

78.   With coal-fired plants under fire for not meeting strict federal clean air standards, the nuclear power industry is showing signs of being reborn.

79.   White-crude products burn cleaner, pleasing both environmentalists and industries that must comply with clean air standards.

80.   White of the Lung Association acknowledged the difficulty that Los Angeles would have in reaching any lower air quality standard.