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NOAA, partners find about 98% decline in VOCs concentrations in LA Basin over last 50 years despite 3x increase in use of gasoline and diesel

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A scatter plot of CO, as a tracer for pollution, versus CO 2 , as a tracer for the amount of combustion, for 2002 and 2010. Even though the CO 2 enhancements over background were comparable in the two years, about 25 ppm in 2002 and 35 ppm in 2010, the ?CO/?CO2 CO2 ratio for this flight track segment decreased from 24.5

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UMTRI study finds total cost of ownership of diesels in US often much less than gasoline counterparts

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While alternative powertrains still represent a small percentage of market share compared to gasoline engines, the report noted, clean diesels saw a 10% increase in 2014 sales over 2013 sales, while hybrids saw a 10% decrease, pure electrics saw a 20% increase and compressed natural gas saw a 33% decrease. Belzowski 2015. Click to enlarge.

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Volvo Car led CO2 reductions among European automakers in 2010 due partly to diesel success

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2010 Fleet-average weight and fleet-average CO 2 emissions by carmaker, compared with EU target line. Europe’s eight largest carmakers cut their CO 2 emissions by an average of 2% to 6% in 2010. in 2010, and today the average figure for new cars sold in Europe is 140 grams per kilometer. Source: T&E. Click to enlarge.

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California Gasoline Demand Up 1% in 3rd Quarter, Diesel Down 10.6%

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In the third quarter of 2009, gasoline consumption in California increased to 3.772 billion gallons of gasoline compared to 3.736 billion gallons the third quarter last year, according to figures released by the state Board of Equalization (BOE). Year-on-year quarterly gasoline consumption comparison. Source: BOE.

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Lincoln to Price MKZ Hybrid at Parity with Gasoline Model

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As a comparison, the 2011 Lexus HS 250h Standard—which Ford uses as the MKZ Hybrid’s closest competition— carries an MSRP of $35,100; the premium model for 2011 carries an MSRP of $37,870. liter Atkinson-cycle I-4 hybrid engine, named one of Ward’s 2010 10 Best Engines. The 2011 Lincoln MKZ Hybrid. Click to enlarge.

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Swiss team concludes that particulate filters should be mandatory for GDI engines

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Based on a three-year study of toxic and environmentally relevant pollutants from gasoline direct injection (GDI) engines, Swiss researchers have concluded that some GDI engines emit just as many soot particles as unfiltered diesel cars did in the past. Further, the GDI particles carry numerous carcinogenic substances. Click to enlarge.

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Life cycle study calculates Algenols algae-to-ethanol process can deliver 67% to 87% reduction in carbon footprint compared to gasoline

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They found that, on a life cycle basis in comparison to gasoline, the direct to ethanol technology can provide a 67% to 87% reduction in carbon footprint on an energy equivalent basis for initial ethanol concentrations (given in weight percent) ranging from 0.5% MJ/MJEtOH down to 0.20 g CO 2 e/MJEtOH down to 12.3 wt % to 5 wt %.

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