American Power Group Corporation Engages Porter, LeVay & Rose, Inc. for Investor Relations

LYNNFIELD, MA--(Marketwired - Jul 23, 2013) - American Power Group Corporation (OTCQB: APGI), announced today that it has engaged Porter, LeVay & Rose, Inc. (PLR) to provide investor relations services.

Chuck Coppa, Chief Financial Officer of American Power Group Corporation, said, "We are very pleased to engage PLR to lead our investor relations initiative. Michael Porter has extensive experience with microcap companies and a deep understanding of the Company's technology and goals. We look forward to working with PLR to expand our outreach efforts and raise awareness of American Power Group among investor audiences and look forward to leveraging the breadth and depth of knowledge that Mr. Porter and his team will bring to American Power Group Corporation."

PLR is a premier full-service investor relations and corporate communications firm that has functioned as a principled and responsible liaison with its clients' stakeholders for four decades. PLR represents clients in a wide range of industries, including technology, biotech, medical devices, manufacturing, business services, and retail. Find PLR online at www.plrinvest.com.

About American Power Group Corporation
American Power Group's alternative energy subsidiary, American Power Group, Inc., provides a cost-effective patented Turbocharged Natural Gas™ conversion technology for vehicular, stationary and off-road mobile diesel engines. American Power Group's dual fuel technology is a unique non-invasive energy enhancement system that converts existing diesel engines into more efficient and environmentally friendly engines that have the flexibility to run on: (1) diesel fuel and liquefied natural gas; (2) diesel fuel and compressed natural gas; (3) diesel fuel and pipeline or well-head gas; and (4) diesel fuel and bio-methane, with the flexibility to return to 100% diesel fuel operation at any time. The proprietary technology seamlessly displaces up to 80% of the normal diesel fuel consumption with the average displacement ranging from 40% to 65%. The energized fuel balance is maintained with a proprietary read-only electronic controller system ensuring the engines operate at original equipment manufacturers' specified temperatures and pressures. Installation on a wide variety of engine models and end-market applications require no engine modifications unlike the more expensive invasive fuel-injected systems in the market. See additional information at: www.americanpowergroupinc.com.