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​​​​​Oak Leaf Environmental Inc. 

Oak Leaf Environmental is a Michigan corporation founded in 2014 by Jeremy G. Heiken.   Mr. Heiken brings 30+ years' experience as an air quality consultant and emissions engineer.  He is a nationally recognized expert in emission inventory development.

Mr. Heiken has worked for multiple consultancies over his professional career, each with its unique technical specialties and clientele.  He brings to Oak Leaf Environmental a breadth of experience unparalleled in his field.  He has worked for the gamut of transportation/environmental agencies,  manufacturing/industrial sectors, trade associations and research institutions.   

Résumé, projects and publications for Jeremy G. Heiken are available below.  The project listing denotes studies by sector (on-road, non-road, rail, marine, aircraft, stationary and fuels)