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| exhaust gas emission | |||
| waste gas emission The direct or indirect discharge of exhaust gas into the atmosphere; waste gas emission | |||
| exhaust emission | |||
| tailpipe emission | |||
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| exhaust gas emission | |||
| waste gas emission The direct or indirect discharge of exhaust gas into the atmosphere; waste gas emission | |||
| exhaust emission | |||
| tailpipe emission | |||