The Wheels Come Off the Biodiesel Wagon

Domestic Biodiesel Production Plummets One of my Top 10 Energy Stories of 2009 involved the actions taken by the EU against U.S. biodiesel producers. U.S. tax dollars had been generously subsidizing biodiesel that was being […]

Answering Reader Questions 2009: Part 2

In this installment, I continue to work my way through the list of questions recently submitted by readers. This post picks up where Part 1 left off, and covers coal-to-liquids, technology hype, green gasoline, refining […]

John Benemann Responds to Green Algae Strategy Review

I recently published a review of Mark Edward’s book Green Algae Strategy: End Oil Imports And Engineer Sustainable Food And Fuel. Following this review, I published a response from Mark Edwards. In that response, Professor […]

Response to Green Algae Strategy Review

I have received a response from Mark Edwards, auther of Green Algae Strategy: End Oil Imports And Engineer Sustainable Food And Fuel. I reviewed the book here recently, and as I indicated in the conclusion […]

Book Review: Green Algae Strategy

Introduction I love to read. I particularly enjoy books about energy, sustainability, and the environment. One of the benefits of reviewing books is that I end up getting a lot of free books on these […]

Congress Kills a Biofuel Project

If we are to seriously encourage a move to biofuels, incentives are going to be required because the economics of biofuels just can’t compete with petroleum (regardless of what Vinod Khosla thinks). Eventually depletion will […]

We Do Not Have a Simple Solution

Those were the words of Helena Chum, a research fellow at NREL on the topic of advanced biofuels. Forbes just published an article on this: Biofuels Battle: Chemistry Versus Biology A lot of the subject […]

The Potential of Jatropha

The previous post provided an introduction to Jatropha curcas, a tropical, oil-producing shrub. In this essay I want to get into why I believe there is great potential for jatropha to make an impact on […]

Repost of TDP: What Went Wrong

The is Part II of my look at Changing World Technologies’ thermal depolymerization process. This essay came from a reader, and was originally posted on April 12, 2007. But I also want to add some […]

Repost of TDP: The Next Big Thing

Because of the upcoming IPO for Changing World Technologies (See this story at Seeking Alpha) the articles that I wrote on the company are getting quite a bit of traffic. I thought I would bump […]