by Jeff Ihnen | May 12, 2026 | Energy Rant
In this week’s post on industrial efficiency, we are finishing out measure family number seven: process heating. Last week, we covered low and medium-temperature process heating, from heat pumps to natural gas boilers. This week, we’re rounding it out with...
by Jeff Ihnen | May 5, 2026 | Energy Rant
Moving on with our top ten list of industrial energy efficiency and load management categories, this week we are tackling process heating – #7 on the list. Note that these are ranked by typical adoption, with the most sophisticated operators deep into this list....
by Jeff Ihnen | Mar 31, 2026 | Energy Rant
Industrial facilities love a good checklist: swap in premium motors, add variable frequency drives, call it efficiency. But when it comes to motors and drives, that plug-and-play mindset can backfire. In many cases, the difference between real savings and wasted...
by Jeff Ihnen | Nov 18, 2025 | Energy Rant
This week, Rant readers get a threefer on 1) self-inflicted opposing policies, 2) common sense versus uncommon senselessness, and FOOD! Consumers and taxpayers have paid about $50 billion in subsidies to the ethanol industry over the last 40-plus years. Why? Because...
by Jeff Ihnen | Nov 4, 2025 | Energy Rant
Two weeks ago, I described how liquid-air energy storage systems work. Concisely: Electricity drives air compressors that compress air to rather extreme pressures. This air compression generates a lot of heat, which is the lowest form of energy. Heat is stored in...
