tailpipe fumes
- exhaustUse up entirely
- emissionsSubstances released into air
- smogSunlight-activated urban pollution
- carbonSixth element, atomic symbol C
- monoxideCompound with one oxygen
pollution · smoke · diesel · fumes · muffler · idling · garage · asphyxiation · combustion · soot · toxic · choking · haze · catalytic · converter · engine · gasoline · noxious
air quality/purity
tailpipe fumesfresh air
Unenclosed outdoor atmosphere
clean air · pure air · mountain air · sea breeze · oxygen
emission source
tailpipe fumeszero emissions
No pollutants produced
clean energy · solar power · wind energy · bicycle commuting · walking