CORRECTION: South Coast Air Quality Management District Adopts Best Available Control Technology (BACT) for Stationary Non-Emergency Generators

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WALTHAM, MA--(Marketwired - March 20, 2018) - In the news release "Tecogen's Ultera Endorsed by South Coast Air Quality Management District as Best Available Control Technology (BACT)," issued Tuesday, March 20 by Tecogen, Inc. (TGEN), we are advised by the company that multiple changes have been made throughout the release. Complete corrected text follows.

Tecogen Inc. (TGEN), a clean energy company providing ultra-efficient, clean, natural gas powered on-site power heating and cooling equipment, is pleased to announce that the South Coast Air Quality Management District (SCAQMD) in southern California has updated its Best Available Control Technology (BACT) Guideline for stationary non-emergency electrical generators powered by a spark-ignition internal combustion engine to be consistent with its Rule 1110.2 emissions standard.

In 2008, SCAQMD expanded the rule to cover such newly installed generators, which was the original basis for the invention of Tecogen's now patented Ultera emission system. To-date, Ultera is the only known technology that enables rich-burn engines, specifically, to comply with the rule. Several machines that utilize Ultera are now recorded in California's BACT Clearinghouse as examples of projects able to meet SCAQMD's high standard. Regulators outside of California also refer to the Clearinghouse for their own BACT-related inquiries.

Tecogen's Co-CEO Benjamin Locke stated, "This is a tremendous achievement by Tecogen's applied science capabilities. We are extremely proud that South Coast regulators have recognized Ultera's ultra-low NOx and CO emission performance and cost effectiveness. While it does not mark a regulatory change within SCAQMD, it does raise our profile substantially. More importantly, it alerts other regulators both within California and beyond that there is a viable way to achieve fuel-cell-like emissions with an internal combustion engine. Being listed as BACT by one regulatory body greatly eases the adoption of the standard by other regulators, thus enabling BACT, and by extension the utilization of Ultera, to spread rapidly across the country. It's hard to overstate just how significant a sales driver this could turn out to be."

The regulatory process for an emissions level to achieve BACT status requires consistent test results over an extended period of time followed by an extensive committee review process. SCAQMD is one of 35 air districts in the state of California. It covers the Los Angeles Basin, extends eastward to within a few miles of the Arizona border, and represents almost half of the state's population.