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Shell Starship 3.0 to use Cummins X15N natural gas engine running on RNG

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miles per gallon on that journey, up from 8.94 mpg in the 2018 run with Starship 1.0. will deliver a material demonstration of sustainable freight ton efficiency, utilizing the key performance metric, ton-miles of goods shifted per kilogram of CO 2 emitted. In its 2021 run, Starship 2.0 achieved 10.8 Starship 2.0 Starship 3.0

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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.

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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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ICCT working paper highlights benefits of current and emerging light-duty diesel technology; “promising pathway for compliance”

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The International Council on Clean Transportation (ICCT), one of the organizations at the root of uncovering the Volkswagen diesel emission scandal ( earlier post ), has published a new analysis of developments and trends in advanced diesel engine technology. miles per gallon in model year 2016, and 49.1 Background. per year.

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Demonstration series hydraulic hybrid transit bus yields fuel economy of 6.9 mpg, 110% better than conventional diesel, 30% better than electric hybrids

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The BUSolutions demonstrator LCO-140H (Low Cost of Ownership–1 st 40-foot Hybrid) series hydraulic hybrid transit bus yields fuel economy of 6.9 The BUSolutions demonstrator LCO-140H (Low Cost of Ownership–1 st 40-foot Hybrid) series hydraulic hybrid transit bus yields fuel economy of 6.9 The series hydraulic transit bus.

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King County Metro completes accelerated durability and reliability testing of Proterra electric bus

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Operating 24 hours per day over the 106-day period, the Proterra Catalyst vehicle achieved 32,545 total miles—nearly twice the distance of standard industry tests at Altoona. Average fuel economy was 15 MPGe over this testing period, 3.125-times more efficient than current KCM 40' diesel buses (4.8 x diesel) at normal loads.

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Raleigh-Durham Airport to buy 4 Proterra electric buses and charging infrastructure

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Currently, RDU shuttle buses transport on average 112,166 passengers and luggage per month between the airport’s two ParkRDU Economy lots and terminals with a diesel-powered fleet consisting of 14, 40-foot transit buses that are replaced every 7-10 years. In addition to traveler benefits, the operational cost of electricity, at $.19/mile,

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