EGR

• Eagle Air (Guinea) (ICAO code), a Guinean airline
• Eagle Air (Sierra Leone) (ICAO code), a defunct Sierra Leonean airline
• East Grinstead railway station (station code), England

• Early growth response proteins
• Earnhardt Ganassi Racing, a NASCAR team
• East Grand Rapids, Michigan
• EGaming Review, a British online gambling publishing brand
• Exhaust gas recirculation, in internal combustion engines

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