Can Plasma Clean Smoke and Exhaust? Yes. Soot Is Where It Struggles.

Chat with Greg Fridman · Sep 3, 2026 · 5m

Next in the "Can Plasma?" series: can plasma clean smoke and exhaust? Yes, it's a proven after-treatment technology. Three catches: soot is hard, ozone is a byproduct, and electricity costs more than natural gas.

⏱️ Chapters

00:00 The question, and 3 things to cover

00:10 Non-thermal plasma is a proven exhaust after-treatment technology

00:19 Catch 1: soot and particulate matter

00:29 Catch 2: byproducts (ozone) and electricity cost

00:52 The Campbell Soup / Pepperidge Farm story

01:07 Baking thousands of loaves of bread produces alcohol vapors

01:37 Their current solution: burn off residual…