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Smithsonian December 2006 Cate Lineberry	Diamonds Unearthed In the first installment of a multi-part series, Smithsonian diamond expert Jeffrey Post, curator of the National Gem and Mineral Collection, explains how the rare crystals form.
Chemistry World April 18, 2007 Simon Hadlington	Bioethanol Fuel 'as Big a Health Risk as Gasoline' The use of ethanol as a gasoline substitute for motor vehicles may not be the environmental panacea that its proponents would have us believe, according to a U.S. atmospheric scientist.
Geotimes September 2005 Sara Pratt	Sourcing Ultradeep Diamonds Mineral impurities in a diamond may decrease the gem's value for jewelers, but for geologists they can prove to be priceless: South African diamonds containing garnet have recently provided evidence that very deep diamonds can form from surface materials.
Popular Mechanics May 2006 Mike Allen	How far can you drive on a bushel of corn? Before we can debate national energy policy -- or even decide which petroleum substitutes might make sense for our personal vehicles -- we need to know how these things stack up in the real world. So we crunched the numbers on alternative fuels.
Geotimes November 2006 Kathryn Hansen	Canada's Diamonds Face Old Age Geologists are uncovering the unique origins of Canadian diamonds, and finding not only that they are surprisingly old, but also that they have implications for the timing of Earth's early tectonic processes.
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.
Chemistry World March 13, 2014 Emma Stoye	Piece of Earth's interior 'ocean' found in diamond A tiny crystal found in a diamond has confirmed predictions about a giant store of water deep in the Earth's mantle.
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.
Reason June 2009 Ronald Bailey	It's Alive! Alternative energy subsidies make their biggest comeback since Jimmy Carter.
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.
IEEE Spectrum January 2007 Erico Guizzo	The Omnivorous Engine A Brazilian fuel control system lets cars run on gasoline, ethanol, and natural gas.
Salon.com June 8, 2000 Ken Silverstein	Politics and the gas pump A meaningless environmental provision leads to an ecological nightmare -- not to mention an extra charge when fueling up.
Geotimes March 2007 Kathryn Hansen	Black Diamonds Have E.T. Origins Carbonado, or black, diamonds look more like basalt than their traditional colorless counterparts. New research indicates that carbonado diamonds might have formed in space.
Smithsonian January 2007 Cate Lineberry	Diamonds Unearthed In part two of this series, Smithsonian diamond expert Jeffrey Post, curator of the National Gem and Mineral Collection, discusses conflict diamonds, colored diamonds and synthetic gems grown in the lab
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.
IEEE Spectrum January 2009 Erico Guizzo	Loser: Brew, Baby, Brew A backyard still that turns sugar into ethanol fuel may look sweet, but under scrutiny it turns sour
BusinessWeek May 22, 2006 Welch & Aston	Fill 'Er Up -- But With What? An alternative to gasoline is inevitable, but it won't come anytime soon for Americans. Here's why.
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 April 17, 2008 Toby Shute	More Ethanol in the Pipeline Pipeline limitations as one problem faced by the present ethanol crop. Which companies are doing what to remedy this?
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?
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.
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.
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.
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.
IEEE Spectrum May 2009 Willie D. Jones	Burning Biomass to Charge Electric Vehicles Beats Fueling Cars with Ethanol Researchers say bioelectricity delivers more kilometers per cornstalk than ethanol
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.
Popular Mechanics March 26, 2008 Robert Bryce	7 Energy Efficiency Myths Debunked: Guest Analysis From the book "Gusher of Lies: The Dangerous Delusions of Energy Independence."
Boating October 2006 Dan McCosh	Corn Dogs Ethanol still has a few tricks left to make your boating life interesting.
The Motley Fool August 10, 2006 Billy Fisher	VeraSun Battles Back The large ethanol producer is increasing at a torrid pace. Investors should do their own additional research and carefully consider their risk tolerance before diving in.
BusinessWeek August 14, 2006 Thornton & Aston	Wall Street's New Love Affair Why some of the world's smartest investors are betting billions on clean energy.
Wired November 24, 2008 Carl Hoffman	Digging for Diamonds 24/7 Under Frozen Snap Lake Running a diamond mine in the Arctic.
IEEE Spectrum January 2013 Vinod Sreeharsha	Brazil Doubles Down on Biofuel Start-up GraalBio wants to transform sugarcane waste into cellulosic ethanol
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.
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
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.
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.
Geotimes November 2006 Kathryn Hansen	Crystals Heat up Volcanic Eruptions Key pressure and temperature information preserved inside tiny bubbles in lava is causing scientists to rethink previous assumptions about how magma behaves, and what might trigger eruptions.
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.
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.
Geotimes July 2004 Megan Sever	Next Best Friend: Cultured Diamonds Conventional thinking about diamonds may soon be changing. Diamonds -- long prized for their beauty, rarity and long generation times -- are now being created in a matter of hours in laboratories.
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?
Chemistry World January 2008 Dylan Stiles	Column: Bench Monkey The benefits of ethanol.
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.
Popular Mechanics April 22, 2008 Chris Ladd	Trees in Your Tank? The Future of Green Gasoline: Earth Day Extra Researchers recently published a new method of refining hydrocarbons from cellulose, paving the way to turn wood scraps into gasoline
Geotimes March 2007 Cassandra Willyard	Bush Renews Call for Renewable Fuels In addition to highlighting ethanol, President George W. Bush's State of the Union address also called for more research on hybrid and electric cars and for new fuel economy standards to help reduce gasoline consumption.
Boating November 2005 Charles Plueddeman	Sticky Situation Is winter fuel gumming up your outboard? Ethanol-laced fuel could be causing the problem. Here is a fix from Yamaha: a new 10-micron spin-on element for remote fuel filters, P/N MAR-FUELF-IL-TR.
Entrepreneur June 2006 Steve Cooper	Hard to Beat With so many commercial uses, could diamonds be the new plastic?
The Motley Fool January 12, 2006 Brian Gorman	Good News for Ethanol GM and Ford's ethanol enthusiasm is better for the fuel's producers than the automakers themselves. With Detroit on board, firms like Archer-Daniels-Midland and MGP can rest assured that the future of their ethanol business is bright.