1.   A green transport policy Using unleaded petrol and fitting catalytic converters will dramatically reduce the levels of pollution caused by vehicle emissions.

2.   All the measures that I catalogued earlier will help to reduce vehicle emissions - the principal cause of bad air.

3.   California has introduced tough new standards for vehicle emissions.

4.   It could only be concluded that the cause of the intense eye irritation was in some way related to vehicle exhaust emissions.

5.   The Environmental Defense Fund brokered a series of pilot projects in Juarez, including one to test vehicle emissions.

6.   Low-level ozone pollution is triggered by the action of sunlight on vehicle exhaust emissions, with still, sunny days providing the best conditions.

7.   The state of California recently announced stringent new regulations designed to cut vehicle emissions.

8.   India is to introduce tighter controls on vehicle emissions.

9.   A rural state that gets much of its pollution from other states, Maine had no experience with vehicle emissions testing.

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