By Amanda Moser, Senior Scientist, Novozymes Special to The Digest It’s harvest time, and that means organic acids—a common stressor for yeast—are a top-of-mind concern for ethanol producers. But while some yeasts are more resilient than others, most still require constant attention; after all, each stressor can potentially reduce performance, and those reductions can quickly […]
By Gerard Ostheimer and Doug Faulkner Special to The Digest Lost in all the wrangling in Europe and the U.S. over the benefits of biofuels and whether or not they can mitigate climate change is the recognition that in Sub-Saharan Africa a thriving indigenous bioenergy industry can play a positive and productive role in modernizing […]
By Dave VanderGriend, CEO, ICM Special to The Digest The legend of Paul Revere was that in 1775 he rode through the towns of Massachusetts and warned of the impending attack by the British. He used lanterns that would reveal how they were advancing- one of by land, two if by sea. If Paul was […]
By Gregory T. Benz, Lee Enterprises Consulting Special to The Digest Many agitator applications, such as blending of miscible liquids or suspending slowly settling solids such as starch and grain slurries used in ethanol production, may be classified as flow-controlled applications. That is to say, the process result depends on creating a certain characteristic velocity, […]
By Gordon Quaiattini, Special to The Digest Governments serious about climate change should be wary about eliminating the mandate for renewable fuels, and those promising a low carbon fuel market without it. Earlier this month Canada’s Environment Commissioner urged MPs to push the government from ‘seemingly endless planning mode into action mode’ on climate change. […]
By Dr. Marcius Extavour, Senior Director, Energy & Resources, XPRIZE Special to The Digest Biofuels have a renewed and important focus in a time of growing recognition of the need for carbon neutral, carbon negative, and circular carbon solutions. Hydrocarbon drop-in fuels are among the leading products targeted by the CO2 conversion community, be it […]
By Martin Wahl and Gerald Kutney, Lee Enterprises Consulting Special to The Digest The preceding articles in this series cover the major steps that investors and entrepreneurs should take to advance bioeconomy project product and process development. In retrospect, the most striking aspect of the articles is the diversity of talent, experience and approaches exhibited by […]
by Jeremy Martin, Senior Scientist and Fuels Lead, Clean Vehicles Program Union of Concerned Scientists Special to The Digest Cutting oil use and transportation emissions is a big job, that will require both electric vehicles and biofuels A few days ago, Biofuels Digest ran a piece claiming that biofuels beat electric vehicles on cost and […]
By Daniel Lane and Mindy Collier, Lee Enterprises Consulting Special to The Digest When it comes to plant site selection, there is a lot of talk about raw materials sourcing, Alfred Weber’s location triangle, and lowest-cost shipping and logistics. However, while business matters are important when determining a location to build and operate a production […]
By Thomas W. Robb, Daniel Lane and John Diecker, Lee Enterprises Consulting Special to The Digest In the cascade of the decision-making process for site selection of a biomass project, the first two things that must be determined are the availability of infrastructure to support the project AND the availability of feedstock to feed the […]
