Robert Rapier is a chemical engineer covering the energy sector. This year begins the ninth year of cellulosic ethanol mandates in the U.S. Today I want to give a brief review of cellulosic ...

This chemical test was originally used to test for the presence of alcohol on people’s breath if they were suspected of drink-driving.

If oxygen gets in, the ethanol will oxidise into ethanoic acid and the drink will taste like vinegar. Methanol is used as a chemical feedstock. It’s toxic, so it is added to industrial ethanol ...