THEGREENGROK

The Green Grok Blogs on renewable energy

 

Congress’s Affair With Ethanol: Love Gone Wrong?

Corn stover, an agricultural residue, is one feedstock being used to produce cellulosic ethanol. So far, the production of cellulosic ethanol has been far lower than federal mandates, which is creating some problems. (Pat Corkery / NREL)
by Bill Chameides
Mar 28, 2013

The ethanol mandate in gasoline is starting to sting.

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Old Wang Coal?

coal barge in China
by Bill Chameides
Feb 18, 2013

Is China, the world’s largest producer and consumer of coal, a promising market for U.S. coal exports?

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In State of the Union Speech Obama Straddles the Climate-Energy Fence

Obama's State of the Union address, February 2013 (Official White House Photo by Pete Souza)
by Bill Chameides
Feb 13, 2013

Can we lower carbon emissions and also push more and more oil and gas production?

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Climate Change Mitigation: Caught Between a Wedge and a Hard Place

The computer circa late 1960s. A lot has happened in computer technology since then. Could the next 50 years bring similar radical changes to the world’s energy infrastructure? (Photograph by cliff1066â„¢/Flickr)
by Bill Chameides
Jan 15, 2013

New study concludes that addressing climate change will require “fundamental and disruptive transformation of the global energy system.”

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John Sununu: We don’t need no stinkin’ energy policy

by Bill Chameides
Dec 12, 2012

History suggests he’s wrong.

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On trying to catch the wind energy?

Wind turbines - NREL
by Bill Chameides
Sep 18, 2012

A lack of wind won’t stall our future renewable energy economy, but Congress might.

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Obama’s energy plan by the numbers

What does the Obama administration plan for our energy future? To find out, we’ll let the words tell the story. (Official White House Photo by Chuck Kennedy)
by Bill Chameides
Sep 5, 2012

How do Obama’s words on energy compare to Team Romney’s?

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The Romney-Ryan energy plan by the numbers

Mitt Romney, the recently official GOP presidential nominee, and his running mate, Rep. Paul Ryan (R-WI), have put out an energy policy document. We take a look. (monkeyz_uncle/Wiki Commons)
by Bill Chameides
Aug 29, 2012

Oil, gas, coal, nuclear, wind, solar, efficiency. Which are the Republican hopefuls’ priorities? This week, it’s convention time for the [...]

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Is There a Clean Energy Standard in Our Future? – Revisited

by Bill Chameides
May 18, 2012

This just in...

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Is There a Clean Energy Standard in Our Future?

Renewable energy sources (from L to R): rooftop solar, anaerobic digester/biogas storage, water-based turbines, wind turbines. (Credit: NREL/Mercury Solar Solutions, California Polytechnic State University, Ocean Renewable Power Company, John De La Rosa)
by Bill Chameides
May 17, 2012

Americans want it, but how much will it cost?

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