Puget Sound Clean Air Agency

Reducing Greenhouse Gases from Transportation

For every gallon of gasoline used, our cars release roughly 20 pounds of greenhouse gases. In the Puget Sound region, cars and trucks contribute more greenhouse gas emissions than any other source. It’s up to us. Choices we make about the kind of car you buy, how often we drive, or how far we travel each day can have a direct impact on the levels of greenhouse gases that enter our air. Learn more about climate-friendly choices you can make, from buying more efficient cars to using cleaner fuels to changing the way you commute and more.

It all adds up to cleaner air.

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Vehicle Choices

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Transportation Choices

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Fuel Choices

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No-Idle Zone