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Popular Mechanics January 16, 2008 Chuck Tannert	Ethanol Makes Mini Comeback: Live at the 2008 Detroit Auto Show The sun may be setting on corn-based ethanol as Detroit revs up with cellulosic ethanol concept cars and tech investments.
Geotimes March 2007 Rick Zalesky	Integrating Biofuels into the Fuel Supply Biofuels are but one part of a larger story -- the transition to a broader portfolio of efficient, environmentally favorable fuels, both petroleum- and biomass-based, that will supply tomorrow's vehicles.
Chemistry World February 16, 2007 Richard Van Noorden	Against the Grain Scientists warn that corn-based ethanol can't realistically cut carbon emissions or gasoline usage. This hasn't stopped US ethanol producers happily gobbling up corn, galvanized by high oil prices and generous tax credits.
Wired October 2006	My Big Biofuels Bet It may surprise you to learn that the most promising solution to our nation's energy crisis begins in the bowels of a waste trough, under the slotted concrete floor of a giant pen that holds 28,000 beef cattle.
IEEE Spectrum January 2007 William Sweet	Corn-o-Copia In today's hothouse political climate, some weird ethanol projects have taken root along with essentially sound ones.
BusinessWeek November 13, 2006	What Good Are Biofuels? Crops that double as energy sources are cheap, abundant, and homegrown. Yet as farmers rush to transform food crops into fuel, some environmentalists have begun to fret.
BusinessWeek February 21, 2005 Otis Port	Not Your Father's Ethanol A new fuel -- "ethanol with a twist" -- could soon be coming to the rescue of motorists fed up with roller-coaster gasoline prices, and it should get a warm welcome from environmentalists and farmers, too.
Food Processing July 2011 Dave Fusaro	Editor's Plate: Time to End the Ethanol Insanity The food vs. fuel debate is tipping our way; don't let the momentum die.
IDB America February 2007 Luis Alberto Moreno	A Hemispheric Opportunity Most biofuel advocates in the United States have portrayed ethanol as a domestic opportunity. Ethanol won't solve the world's energy problems, but it could be a catalyst for trade and rural development throughout the Americas.
The Motley Fool May 15, 2007 Robert Aronen	The Politics of Ethanol The political tailwind behind ethanol is unstoppable. Still, even with the tailwind, investors need to pay attention to value in this area. With the ethanol hype bubbling over, most of the companies mentioned here are priced for excellent performance.
The Motley Fool December 5, 2007 David Lee Smith	Ethanol Is Running Out of Gas Ethanol, the corn-based petroleum substitute, has gone from panacea to pariah in the U.S. in just one growing season.
The Motley Fool March 20, 2009 Christopher Barker	Valero Plunges Into Ethanol Valero Energy proves you can teach this old dog a new trick, by delving into the ethanol business in a major way.
IndustryWeek July 20, 2011 Frank Andorka	With Ethanol Getting Clipped, What's Next? As the battle over ethanol heats up, the next generation of biofuels waits for its moment in the spotlight.
Science News July 22, 2006 Ben Harder	Demand for Ethanol May Drive Up Food Prices The production of ethanol from corn and other crops for fuel could drive up food prices.
BusinessWeek August 14, 2006 Heather Green	The Great Corn Rush Of 2006 Ethanol profits are drawing in investors, but can the heyday last?
BusinessWeek October 1, 2007 David Kiley	Big Oil's Big Stall On Ethanol Even as it pockets billions in subsidies, oil companies are trying to keep E85 out of drivers' tanks.
Geotimes January 2007 Cassandra Willyard	Bush Renews Call for Renewable Fuels Although healthcare and the Iraq strategy were hot topics of discussion following President George W. Bush's State of the Union address Tuesday, energy was front and center in the domestic portion of this year's address.
The Motley Fool March 29, 2007 Jack Uldrich	New Kid on the Farm: Cellulosic Ethanol The technology may not be ready until 2009, but investors should take note today.
BusinessWeek December 18, 2006 Carey & Aston	Put A Termite In Your Tank Bio breakthroughs are promising much better ways to make ethanol.
Chemistry World April 2009	The biofuel future The chemistry to convert waste into fuels is now being tested at pilot plants around the world. We may have the science, but are governments and industry ready, asks Emma Davies
BusinessWeek November 13, 2006 Adrienne Carter	Harvesting Green Power Farmers are sowing the seeds of an alternative energy future. But how much of the country can we fuel on corn?
The Motley Fool February 25, 2009 David Lee Smith	BP May Come to Mean "Biofuels Pro" BP is taking the lead among Big Oil for the next generation of biofuels.
Fast Company February 1, 2008	Is Bacteria Fuel the Next Big Thing? While LS9's research seems promising, bacteria fuel will have some competition to become the fuel of the future. Here's a look at how it compares with three other major players among alternative fuels.
BusinessWeek May 15, 2006 Palmeri & Pressman	Drunk On Ethanol Producers are riding a boom, but the market may be as tricky as oil.
BusinessWeek September 22, 2010 Bjerga & Parker	Deficit Hawks Threaten Ethanol's Future The $27 billion ethanol industry's future is threatened as it loses some of the political support that has sustained it for decades.
BusinessWeek June 18, 2007 Joshua Schneyer	The Money Flying Down To Brazil Big-name investors sniff hefty ethanol profits in the country's vast cane fields.
Geotimes October 2007 Josh Trapani	Energy Independence and Climate Change: Linked but Separate Achieving increased energy independence and mitigating climate change impacts are complex but vital issues.
IEEE Spectrum April 2007 Willie D. Jones	Termites in Your Tank Could the microbes that bugs use to digest wood be the answer to economic ethanol production?
The Motley Fool June 17, 2011 Travis Hoium	Ethanol Steps to the Ledge A Senate vote to cut support to ethanol may mean the end for the fuel in the U.S.
The Motley Fool March 5, 2008 Toby Shute	Innovation Series: Biofuels The search is on for a cheap, renewable fuel.
National Defense January 2009 Frodl & Manoyan	Mileage Mandates and Biofuels Aren't Silver Bullets The United States cannot ignore the many serious unintended consequences on the food supply, dwindling habitats for endangered species, and the reduction of carbon sinks for the atmosphere, when bio-ethanol is not providing more energy security or energy independence.
The Motley Fool May 16, 2008 Christopher Barker	DuPont Dives Into Cellulosic Ethanol DuPont teams up with Genencor to develop non-food-source biofuels.
IEEE Spectrum January 2013 Vinod Sreeharsha	Brazil Doubles Down on Biofuel Start-up GraalBio wants to transform sugarcane waste into cellulosic ethanol
Chemistry World May 2008 Mark Peplow	Editorial: Reap what you sow The biofuel backlash is in full swing. It's being driven by rising food prices; farming subsidies that look more suspicious by the day; and a general feeling that people have been conned.
Smithsonian April 2007 Eric Jaffe	The World After Oil As the planet warms up, eco-friendly fuels can't get here fast enough.
The Motley Fool March 21, 2006 Brian Gorman	Ethanol in the Crosshairs? Ethanol could face a political test in the coming months, with major implications for its producers. Investors, take note.
The Motley Fool February 3, 2006 Robert Aronen	Switchgrass in the Spotlight Successful production of cellulosic ethanol has not yet been achieved on a commercial scale. While the president has set the goal of bringing this technology to market in the next six years, there are no guarantees that it will occur. Investors, take note.
Investment Advisor May 2009 Vaughan Scully	The ETF Advisor: Energy Edge While there are no exchange-traded funds tracking the biodiesel market exclusively, these ETFs invest in many different alternative energy sources.
Popular Mechanics February 2008 James B. Meigs	The Ethanol Fallacy: Op-Ed America needs smart alternative to oil, but the just-passed energy bill puts too much emphasis on the wrong alternative
The Motley Fool December 24, 2007 David Lee Smith	Opening Your Energy Mailbag Energy sector news and issues: Ethanol pros and cons...
IndustryWeek December 1, 2004 Tonya Vinas	Building For Biofuels Uncertainty in oil prices is just one reason ethanol producers are building more plants in the U.S.
Technology Research News February 25, 2004 Kimberly Patch	Ethanol yields hydrogen Researchers have devised a way to extract hydrogen directly from ethanol, which would make for a renewable energy cycle. Ethanol is produced by converting biomass like cornstarch to sugar, then fermenting it.
The Motley Fool February 23, 2006 Brian Gorman	ADM Pumps Up Ethanol The nation's largest ethanol producer plans to increase the fuel's production; investors should think about the risks.
The Motley Fool August 4, 2006 Jack Uldrich	Headwaters Converges With Coal and Corn If Headwaters can crack the clean coal nut, the convergence of ethanol and an environmentally friendly energy source could prove to be a powerful combination.
National Defense June 2012 Eric Beidel	Biofuels Industry at Crossroads as Military Waits for Lower Prices Military leaders like to say that their aircraft, ships and personnel can't tell the difference between petroleum and biofuel. But their budgets can.
BusinessWeek April 30, 2007 John Carey	Ethanol Is Not The Only Green In Town Memo to Feds: Make subsidies available to the whole field of biofuel innovation.
The Motley Fool September 16, 2008 David Lee Smith	Governors Push Back on Ethanol DuPont and others may have a fix for ethanol's economic havoc.
The Motley Fool May 8, 2007 Jack Uldrich	Cobs Clobber VeraSun's Profits High corn prices hammer the ethanol producer's second-quarter earnings. Shocked investors drove shares down by as much as 15%.
IDB America April 2008 Luis Alberto Moreno	Green Energy Allies or Biofuel Antagonists? Small developing countries in Latin America that are heavily dependent on imported fossil fuels have especially compelling reasons to invest in biofuels.
Chemistry World June 28, 2007 Richard Van Noorden	To Chew or to Burn? A positive buzz of research and bold investment is surrounding second generation biofuels.