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ORNL study quantifies fuel economy costs of common driver practices and vehicle alterations

Green Car Congress

Researchers at Oak Ridge National Laboratory (ORNL) have quantified the fuel economy effects of some common driver practices and vehicle accessories or alterations—including underinflated tires, open windows, and rooftop and hitch-mounted cargo. liter four-cylinder engine, also suffered as its fuel economy dipped 22% from 42.5

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

Green Car Congress

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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Cummins developing 15-liter on-highway natural gas engine; latest EcoFit technologies at MATS

Green Car Congress

The ISX15 G will be based on the ISX15 diesel engine and will build on Cummins technology with spark-ignited, stoichiometric cooled exhaust gas recirculation (SEGR) technology, first introduced on the 8.9 SEGR combustion also improves power density and fuel economy vs. lean burn and traditional stoichiometric engines.

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Frost & Sullivan forecasts Gasoline Particulate Filters to climb from 50,335 units now to 4.2-4.6 million units by 2020

Green Car Congress

Several OEMs are working on combustion optimization and injection technologies that reduce particulate emissions in engines rather than through exhaust after-treatment. While GPFs provide a filtration efficiency of more than 90%, the inherent drawback of increased exhaust back pressure affects fuel economy.

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Mercedes-Benz Buses Meet EEV Emissions Standard Without Diesel Particulate Filter

Green Car Congress

Mercedes-Benz achieved the low emissions solely by means of internal engine measures and without an additional particulate filter in the case of the Mercedes-Benz BlueTec engines or a fuel economy penalty. Additional exhaust gas aftertreatment via SCR is not necessary.

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Cummins introduces 5L V8 diesel for North American light- and medium-duty commercial vehicles

Green Car Congress

creates new opportunities for our OEM customers as a compact and lightweight engine that delivers best-in-class fuel efficiency and total cost of ownership. represents the next dimension in fuel economy and performance as Cummins continues to broaden our on-highway product line. Cummins ISV5.0 Diesel Engines'

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Iveco launches the New Stralis XP long-haul truck; fuel savings up to 11%

Green Car Congress

Iveco has introduced the New Stralis XP long-haul truck, featuring fuel savings of up to 11% and a reduction in total cost of ownership (TCO) of up to 5.6% This solution harnesses a small amount—8%—of exhaust re-circulation to allow an earlier start of injection. in long-distance transport operations.

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