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EPA trends report sees record levels of average new vehicle fuel economy and CO2 emissions for MY 2012; role of new gasoline vehicle technologies

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EPA projects advanced transmissions (6+ speeds and CVTs), gasoline direct injection (GDI) systems, and turbocharged engines will be installed on at least 15% of all MY 2013 vehicles. The majority of the emissions and fuel savings from current vehicles, EPA noted, is due to new gasoline vehicle technologies. Click to enlarge.

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ORNL study finds best current use of natural gas for cars is efficient production of electricity for EVs

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However, they also noted, high PTW efficiencies and the moderate fuel economies of current compressed natural gas vehicles (CNGVs) make them a viable option as well. If CNG were to be eventually used in hybrids, the advantage of the electric generation/EV option shrinks. Their open access paper is published in the journal Energy.

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Mazdas new SKYACTIV gasoline and diesel engines are steps on the road to its Ideal Engine; focus on compression ratio

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Mazda’s roadmap to the ideal internal combustion engine. the step-by-step introduction of electrification to SKYACTIV internal combustion engines: stop-start, followed by regenerative braking, followed by electric motor drive technologies. Energy balance in an internal combustion engine. Click to enlarge.

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Long Beach Transit receives $600K grant for 40 Cummins near-zero CNG engines

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Long Beach Transit (LBT) recently received a $600,000 grant from the Mobile Source Air Pollution Reduction Review Committee (MSRC) of the South Coast Air Quality Management District Near Zero Incentive Program for the purchase of 40 Cummins “near-zero” compressed natural gas (CNG) engines. In 2012, LBT purchased its first CNG buses.

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EPA: US greenhouse gases dropped 3.4% in 2012 from 2011; down 10% from 2005 levels

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US greenhouse gas emissions by gas. The US Environmental Protection Agency (EPA) released its 19 th annual report of overall US greenhouse gas (GHG) emissions, showing a 3.4% decrease in 2012 from 2011. Total emissions of the six main greenhouse gases in 2012 were equivalent to 6,526 million metric tons of carbon dioxide.

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Rice study finds using natural gas for electricity and heating, not transportation, more effective in reducing GHGs

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Rice University researchers have determined a more effective way to use natural gas to reduce climate-warming emissions would be in the replacement of existing coal-fired power plants and fuel-oil furnaces rather than burning it in cars and buses. However, residential uses and exports of natural gas were not considered in those comparisons.

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The Power Engineer Electrifying John Deere’s Tractors, Trucks, and More

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Singh, a power-electronics engineer, has been working to replace the internal combustion engines used in the company’s equipment with hybrid (diesel-electric) and all-electric versions. in engineering, Indian Institute of Technology Delhi “I come from a long line of farmers. as a staff engineer.

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