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7 x 24 Exchange 7x24 Exchange is the leading knowledge exchange for those who design, build, use and maintain mission-critical enterprise information infrastructures |

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AECC Association for Emissions Control by Catalyst |

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American Coal Council ACC |

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AWMA Air and Waste Management Association |

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CAPCOA California Air Pollution Control Officers’ Association |

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CARB California Air Resources Board |

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CIMAC The International Council on Combustion engines |

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Clean School Bus |

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Confederation of Norwegian Enterprise The NOx Fond |

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DieselNet |

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DTF Diesel Technology Forum |

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ECTA Emission Control Technology Association |

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EGSA Electrical Generating Systems Association |

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EPA Environmental Protection Agency - US Regulations |

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EPRI Electric Power Research Institute |

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European Union European Legislation |

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ICAC Institute of Clean Air Companies |

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IMO & MARPOL International Maritime Organization |

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MARAMA Mid-Atlantic Regional Air Management Association |

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MECA Manufacturers of Emission Controls Association |

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NAPPA National Association of Clean Air Agencies |

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NESCAUM The Northeast States for Coordinated Air Use Management |

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OTAQ Office of Transportation and Air Quality |

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SAE Society of Automotive Engineers International |

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SJVAPCD San Joachin Valley Unified Air Pollution Control District |

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TCEQ Texas Commission on Environmental Quality |

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WPCA World Pollution Control Association |