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    Report: Brazilian experts call anti-ethanol study "misleading"
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    Arguing over the pros and cons of using ethanol as a transportation fuel isn't just an American thing. The Brazilians are going at it, too. We will translate. A recent report from Nature Geoscience suggested that using more ethanol in light-duty vehicle transportation increases local smog ...

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    Report: Brazil tests suggest more ethanol means more local smog
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    One recent report from Nature Geoscience will have ethanol advocates convinced that Big Oil's political influence goes far beyond the reach of US borders. That publication, according to Nebraska's Grand Island Independent, says that greater use of ethanol as a light-duty vehicle fuel actually ...

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    President Obama urges EPA to withdraw proposed ozone standards
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    In a statement released this morning, President Barack Obama urged Lisa Jackson, administrator of the Environmental Protection Agency (EPA), to withdraw its proposed draft of Ozone National Ambient Air Quality Standards (NAAQS), leaving in place Bush-era regulations. Back in January 2010, the ...

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    Toyota develops breakthrough material that removes 95% of ozone from air
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    Researchers at Toyota Central Research and Development Labs in Japan claim to have developed a mesoporous two-line ferrihydrite (M2LFh) that, if used in an ozone (O3) filter, could remove up to 95 percent of unreacted O3. Ferrihydrite is a substance composed of iron, oxygen and water, as you ...

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    MIT finds another reason to charge your car at night: reduced pollution
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    If you own or plan on purchasing an electric vehicle or plug-in hybrid (PHEV), you may be weighing the pros and cons of Time-of-Use metering (assuming that's an option). Will your electricity bill go down? Is it worth leaving your vehicle partially charged so that you can take advantage of the ...

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    EPA approves use of HFO-1234yf refrigerant in vehicles
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    What is HFO-1234yf? Well, it's the refrigerant that recently received final approval from the Environmental Protection Agency (EPA) and is supposedly 350-times less damaging to the atmosphere than the current HFC-134a. HFO-1234yf, which is claimed to be a non-ozone-depleting refrigerant, can now ...

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    Burning ethanol creates more ozone than gasoline, worse in winter
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    Forget, for a moment, the difference between standard, corn-based ethanol and cellulosic ethanol. For this post, all that matters is how ethanol burns, not how it's created. According to new research conducted at Stanford, when an engine burns E85, the byproducts of that combustion are different ...

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    Why we care: Dirty air in California kills more people than car crashes do
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    View of Greater LA (Under GNU 1.2 License)
    You read the headline correctly. According to a report by researchers at California State University, Fullterton, pollution kills more people than car crashes. How do they know? They simply added up the deaths related to pollution that were reported in ...

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    Automakers work on sustainable air conditioning
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    It wasn't all that long ago that the auto industry was under fire for its use of ozone-depleting chemicals in its air conditioning systems. To curb those fears, the older R-12 refrigerant was replaced with R-134a refrigerant. Interestingly enough, CO2, long associated with harmful automobile ...

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