The Clinton administration never got around to developing emission standards for the industry.

Specific new emissions standards for moving sources passed years later.

At immediate issue is California's right to set its own emission standards.

In other words, for instance, they would only be paid if the new car bought met certain emissions standards.

Legislation passed in the 1970s forced the industry to improve its emissions standards.

When finished, it met proposed 1985 fuel and emission standards.

Congress has long allowed California to set its own emission standards because smog there is so bad.

For that reason alone, we need to make the emission standards stricter.

Japanese used vehicles must meet emission standards and be converted to left hand drive.

This engine passed the 1982 emissions standards for diesel cars.