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Piston engines

The purpose of an engine is to convert a fuel mixture into motion. In a piston engine-- the kind you find in American cars and most foreign cars-- four successive actions have to take place: intake, compression, ignition and exhaust.
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Fresno, CA

103°F
Partly Cloudy
  • High: 110°F
  • Low: 84°F
  • Sunrise: 6:03 AM PDT
  • Sunset: 8:06 PM PDT
  • Feels Like: 103°F
  • Wind Chill: 103°F
  • Visibility: 10 mi.
  • Dew Point: 48°
  • Relative Humidity: 16%

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