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EPA issues emergency fuel waiver for E15 sales

Green Car Congress

The US Environmental Protection Agency (EPA) is issuing an emergency fuel waiver to allow E15 gasoline to be sold during the summer driving season. The Clean Air Act (CAA) requires the use of low-volatility gasoline during the summer months in order to limit the formation of ozone pollution. Earlier post.). EPA provides a 1.0

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UC Davis Begins $2.8M Studies on Impacts of Escaped Nitrogen

Green Car Congress

million in new grants to study the use and impacts of escaped nitrogen from agricultural production. Farm machines burning oil, gasoline and diesel release nitrogen to the air. The new Agricultural Sustainability Institute grants and objectives include: $1.5 University of California, Davis researchers will receive $2.8

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Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

Green Car Congress

In 1975, General Ernesto Geisel, then-president of Brazil, ordered the country’s gasoline supply mixed with 10% ethanol. The level was raised to 25% over the next five years, which was intended to maintain a constant Brazilian gasoline supply for an ever-increasing demand. These were arguably the first flex-fuel vehicles.

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National Research Council report finds it unlikely the US will meet cellulosic biofuel mandates absent major innovation or a change in policies

Green Car Congress

Because cellulosic biofuel is a developing industry, there are multiple economic, policy, environmental, and social barriers to producing 16-20 billion gallons of ethanol-equivalent cellulosic biofuels to meet the consumption mandate of RFS2. However, whether and how the mandate for cellulosic biofuels will be met is uncertain.

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Researchers Determine Process Through Which Hydrocarbon Compounds Emitted by Trees Form Aerosols, With Impact on Human Health and Climate

Green Car Congress

Isoprene, a five-carbon diene formed naturally in plants and animals and a precursor of ozone, contributes more than 40% of these emissions. There is much more isoprene emitted to the atmosphere than all of the gases (gasoline, industrial chemicals) emitted by human activities, with the important exceptions of methane and carbon dioxide.

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