Just Clearing the Air

To curb pollution, the EPA demands tougher auto-emissions testing

The Bush Administration may be making life easier for industries that pollute the air -- but not for motorists. Though the White House last month issued an environmental regulation enabling businesses to sidestep provisions of the 1990 Clean Air Act, the Environmental Protection Agency has now issued a rule that will enforce part of the same measure by requiring tougher emissions tests and more expensive repairs for car owners.

The proposed regulations, which become final in November, require 55 new urban areas to begin testing emissions from cars and light trucks by next July. That would bring to 177 the number...

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