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NREL study finds gasoline hybrid delivery trucks substantially reduce emissions and beat or maintain fuel economy compared to diesel vehicles

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Source: Barnitt 2011. NREL’s Fleet Test and Evaluation Team recently completed a year-long technology evaluation of gasoline hybrid electric (gHEV) FedEx Express delivery trucks compared with conventional diesel vehicles. Influence of route kinetic intensity on fuel economy. Source: Barnitt 2011.

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Georgia Tech life-cycle study finds TCO of medium-duty electric and diesel delivery trucks similar; electric life-cycle energy use and GHG lower than diesel

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Life-cycle energy use and GHG emissions normalized with NYCC diesel case (8.06 They also found that the total costs of ownership (TCO) of the electric and diesel trucks are similar. Over an array of possible conditions, the median TCO of electric trucks is 22% less than that of diesel trucks on the NYCC. MJ/t·km and 0.63

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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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Though there are some exceptions to these positive results for some of the diesel versions of vehicles from a total-cost-of-ownership perspective, the overall direction of the results supports the idea that diesel vehicles are competitive within the U.S. Average diesel take rates. Belzowski 2015. Click to enlarge. Model year.

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Georgia Tech study finds MD electric urban delivery trucks have cost advantages over diesel in some conditions; relative benefits depend on numerous factors

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The study found that TCO for electric and diesel medium-duty urban delivery trucks were similar. Researchers at Georgia Tech have compared medium-duty (MD) electric and diesel urban delivery trucks in terms of life-cycle energy consumption, greenhouse gas (GHG) emissions, and total cost of ownership (TCO). Credit: ACS, Lee et al.

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Daimler debuts diesel-powered S-class for US market

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Daimler staged the debut of the diesel-powered all-wheel-drive 2012MY S350 BlueTEC 4MATIC at the 2011 North American International Auto Show— the return of the diesel-powered S-Class sedan to the US market. The tank is replenished at the regular maintenance intervals every 10,000 miles. Powered by a 3.0-liter

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Ford Crew Chief telematics system can improve fuel economy by up to 20% through better fleet management

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Driver behavior has so much influence on not only fuel efficiency but on the overall maintenance and life of a vehicle. The US Department of Energy reports that aggressive driving decreases fuel economy by up to 33 percent. Starting with some 2011 model year vehicles, a new function called Oil Life Minder has been added.

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CMU study concludes diesel and hybrid vehicles can retain more value than PFI gasoline vehicles despite higher new car price

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A new Carnegie Mellon University study released at the Washington Auto Show finds that for passenger cars, aadvanced vehicles with higher fuel economy—i.e, turbocharged direct injection diesels or hybrids—retain more value than a paired conventional vehicle—i.e., But that’s only one element of the equation.

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