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Study Measures Impact of Biodiesel on Non-Regulated Pollutants in Heavy-Duty Engine

Green Car Congress

A team from the US National Renewable Energy Laboratory and the Colorado School of Mines has measured gas phase and particle-associated non-regulated pollutant emissions from a heavy-duty engine operating both with and without a catalyzed DPF and operating on biodiesel fuel. Article ASAP doi: 10.1021/es1008032. Tags: Brief.

Pollution 210
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Ionic Liquids for Conversion of Biomass to Sugars or HMF Without Additional Catalysts

Green Car Congress

Researchers at Colorado State University have shown that under relatively mild conditions (?140 The process demonstrated by the Colorado State team avoids the use of the additional acid catalysts. Article Yuetao Zhang, Hongbo Du, Xianghong Qian and Eugene Y.-X. Energy Fuels , Article ASAP doi: 10.1021/ef1000198.

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Lifecycle Analysis Finds That Algae Biodiesel Can Offer Energy and GHG Advantages Over Soy Biodiesel

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Researchers at Colorado State University have found that a microalgae biodiesel process using currently available technologies can show improvement in lifecycle GHG emissions and net energy ratio (NER) compared to soybean-based biodiesel. Article ASAP doi: 10.1021/es102052. Credit: ACS, Click to enlarge.

Energy 239
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Converting Oil Shale to Gasoline via Alberta Taciuk Processor Results in Full Fuel Cycle GHG Emissions 1.5-1.75 Larger Than From Conventionally Produced Gasoline

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The largest global oil shale deposits—estimated to be equivalent to 1,500 Gbbl oil equivalent—are found in the Green River formation of Colorado, Utah, and Wyoming. To put these figures in perspective, emissions from all sectors in the state of Colorado equaled 24 million t of carbon in 2001.

Gasoline 239
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Study on Greenhouse Gas Emissions from Global Cities Highlights Importance of Geophysical and Technical Factors

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Timothy Hillman, University of Colorado. Anu Ramaswami, University of Colorado. Article ASAP doi: 10.1021/es900213p. Tags: Climate Change Emissions Lifecycle analysis. Barrie Gasson, University of Cape Town. Yvonne Hansen, University of Cape Town. Miroslav Havránek, Charles University Environment Center. Charles Kolb.

Emissions 199
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Study Finds Regional Variations in Irrigation Practices Can Push Corn Ethanol Water Requirements 3x Higher Than Earlier Estimates; Need to Account for Regional Specifics in Mandates

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It is notable that all the high-EWe states in our study were those classified in the GAO survey as to be likely to experience statewide (Colorado), regional (Wyoming), local (Kansas and Oklahoma), or uncertain water shortages (California and New Mexico). Article ASAP doi: 10.1021/es8031067. Tags: Ethanol Sustainability Water.

Water 170
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Financing a Tesla Model X Just Got Easier

EV Life

Previously, the Model X’s price tag exceeded those limits, but with the drop in price, potential buyers can now save even more money on the purchase of a new Tesla Model X. In this article, we’re going to take a look at what makes the Model X so popular, including its design, features, and performance.