American Power Group Corporation announced that its subsidiary, American Power Group, Inc. (“APG”), has received online notification from the U.S. Environmental Protection Agency (“EPA”) that its recent Clean Alternative Fuel Vehicle and Engine Conversion Submissions have been approved for the following Outside Useful Life (“OUL”) engines:

• Detroit Diesel:   Series 60  11.1L to 14L   (2002-1987)
• Volvo/Mack:      D11, D12, D13, D16, E7, MP7, MP8, MP10   10.8L to 16.1L (2009-2002)