Jeremy Diehl Jeremy Diehl is co-founder and CTO at Green Mill Supercritical, a Pittsburgh-based manufacturer of CO₂ extractors that are fully controlled through software and achieve the industry’s highest levels of precision, versatility, and efficiency. This user account status is Approved Why a proper CO₂ extractor must precisely control all three key parameters 4 years ago in: Best Practices, Processing, Science and Technology no comments