Vermont On-Farm Biodiesel – Costs of Production

I recently co-authored a summary of the economics of on-farm biodiesel with Netaka White from the Vermont Sustainable Jobs Fund.  This report collects the economic and logistic learning from the past seven years of the Vermont Bioenergy Initiative (VBI).  The VBI has supported a wide range of sustainable fuel related efforts in Vermont.  Along with […]

How Refrigerators Work: “Principles of Refrigeration”

1944 US Office of Education video on refrigeration principles.  Excellent.