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Emission control

Public awareness regarding pollution really took off in the 70's. As a result, new methods were developed to curb the pollution problems. One major contributor to air pollution was automobile exhaust.
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Fresno, CA

91°F
Cloudy
  • High: 110°F
  • Low: 71°F
  • Sunrise: 6:02 AM PDT
  • Sunset: 8:07 PM PDT
  • Feels Like: 91°F
  • Wind Chill: 91°F
  • Visibility: 10 mi.
  • Dew Point: 58°
  • Relative Humidity: 33%