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Biodiesel can reduce emissions, improve fuel-system lubricity and use existing diesel infrastructure. But NACFE’s Messy Middle maintenance report says fleets must actively manage storage, cold-weather operation, filters and oil drain intervals to avoid problems.
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Kenworth says it has added Dana’s Spicer AdvanTek 40 tandem axle for new Class 8 pickup & delivery, regional haul and linehaul trucks equipped with the Kenworth AG380 or AG400L suspension.
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UPDATED -- The cost of on-highway diesel has fallen for the fourth straight week, hitting its lowest level since last November, according to the U.S. Energy Department.
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The Kenworth T680 in day cab, 52-inch mid-roof sleeper, and 76-inch sleeper configurations now can be ordered with the factory-installed Cummins Westport ISX12 G natural gas engine rated up to 400 horsepower and 1,450 lb.-ft. of torque.
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Mainstay Fuel Technologies and Fontaine Modification reached an agreement to provide a turnkey process for the delivery and installation of compressed natural gas fuel systems on Class 8 heavy-duty, over-the-road tractors.
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A bulk fuel tank in your own yard could be the most cost-effective fleet fueling option -- assuming your tank doesn't "leak."
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There's little doubt left that tires formulated for lower rolling resistance work as advertised, but it's still tough to give up at few thousandths of an inch of tread. After all, tire miles are important, too. How much of a difference does the reduction in rolling resistance make?
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Multiple lawsuits against Caterpillar for chronic failures of its 2007-2010 ACERT diesels go beyond heavy trucks, and include school buses and motor coaches as well as at least one marine engine, according to news reports, while a wide variety of problems have been chronicled in discussion groups on the Internet.
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Medium and heavy duty vehicles represent less than 5% of the total vehicle market today, and the vast majority of these use conventional internal combustion engines powered by either gasoline or diesel. That is changing as less expensive alternatives to petroleum-based fuels, such as natural gas, liquefied petroleum gas and electricity make inroads in the market.
Read More →Volvo Group, the parent of Volvo Trucks North America, has been ordered to pay penalties and interest of approximately $74.1 million to the U.S. Environmental Protection Agency regarding emission compliance of the company’s marine diesel engines.
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UPDATED -- The average cost of on-highway diesel in the U.S. has fallen for the third consecutive week, hitting its lowest level since late November, according to new U.S. Energy Department numbers.
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