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EPA: US Greenhouse Gas Emissions Rose 1.4% in 2007

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The US Environmental Protection Agency (EPA) has released the national greenhouse gas inventory, which finds that overall emissions during 2007 increased by 1.4% Total emissions of the six main greenhouse gases in 2007 were equivalent to 7,150 Tg of carbon dioxide. percent from 1990 to 2007. in total between 2005 and 2007.

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Third Phase of SDGE In-Use Study Shows PHEVs Excel on Fuel Economy and GHG Emissions Reductions Compared to Gasoline ICE and Hybrid-Electric Vehicles

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The third phase of a SDG&E multi-year in-use study on plug-in hybrid electric vehicles showed that plug-in hybrids offer significant improvements in gas mileage and reductions in emissions when compared with standard hybrid-electric and gasoline internal combustion engine (ICE) vehicles. Click to enlarge. Earlier post.)

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National Research Council Study Finds That Available Technologies Can Result in Significant Fuel Savings for Passenger Vehicles Over the Next 15 Years, But at Higher Purchase Prices for Consumers

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Using a 2007 base vehicle, the committee estimated the potential fuel savings and costs to consumers of available technology combinations for three types of engines over that timeframe: spark-ignition gasoline, compression-ignition (CI) diesel, and hybrid. Engines and Technologies.

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EIA AEO2015 projects elimination of net US energy imports in 2020-2030 timeframe; transportation energy consumption drops

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AEO2015 presents updated projections for US energy markets through 2040 based on six cases (Reference, Low and High Economic Growth, Low and High Oil Price, and High Oil and Gas Resource) that reflect updated scenarios for future crude oil prices. trillion cubic feet (Tcf) in the Low Oil Price case to 13.1 With greater U.S.

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EIA Energy Outlook 2013 reference case sees drop in fossil fuel consumption as use of petroleum-based liquid fuels falls; projects 20% higher sales of hybrids and PHEVs than AEO2012

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Transportation sector gasoline demand declines. quadrillion Btu in 2035, as a result of fuel economy improvements achieved through stock turnover as older, less efficient vehicles are replaced by newer, more fuel-efficient vehicles. Motor gasoline consumption will be less than previously estimated.

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

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The oil price shocks of the 1970s led the Brazilian government to address the strain high prices were placing on its fragile economy. In 1975, General Ernesto Geisel, then-president of Brazil, ordered the country’s gasoline supply mixed with 10% ethanol. Donovan, CEO Renergie, Inc. Use of Hydrous Ethanol in Brazil.

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US EIA Reports Record-setting 7% Overall Decline in US Carbon Dioxide Emissions in 2009; Transport Emissions Down 4.1%, Lowest Percentage Reduction of the End-UseSectors

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Carbon intensity changes in the electric power and industrial end use sectors. In 2009, the carbon intensity of the electric power sector decreased by nearly 4.3%, primarily due to fuel switching as the price of coal rose 6.8% from 2008 to 2009 while the comparable price of natural gas fell 48% on a per Btu basis.

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