The amendment set the first federal vehicle emissions standards, beginning with the 1968 models.

They are also occasionally set to reduce vehicle emissions or fuel use.

The main source of carbon monoxide in air is vehicle emissions.

The vehicle emissions control industry employs approximately 65,000 Americans with domestic annual sales of $26 billion.

See the page in this guide on the benefits of reducing your vehicle emissions.

Some of it is due to improvements in vehicle emissions.

Transport businesses may use large amounts of fuel and create significant vehicle emissions.

We were really disappointed by the results on vehicle emissions.

This also applies to the case of vehicle emissions.

On the other hand, fuel quality is essential for engine performance and to reduce vehicle emissions.