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Norgren air intake throttles are designed specifically for heavy-duty diesel engines in commercial vehicles.
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The EPA has reportedly approved a diesel-to-CNG (compressed natural gas) dedicated package for the diesel International DT466 series engine. NGV Motori USA and Clean Vehicle Solutions LLC partnered to bring the conversion package to the intermediate class vehicle market.
Read More →The diesel options are the ISB6.7 and ISL9, which feature onboard diagnostics and the Cummins Aftertreatment System, which integrates a diesel particulate filter and selective catalytic reduction. The Cummins Westport ISL G natural gas engine features a passive Three-Way Catalyst aftertreatment system.
Read More →The school bus manufacturer announces at the NAPT Summit that it will develop a Saf-T-Liner C2 powered by compressed natural gas. Also, Thomas Built’s new propane Type A is now in production, and its propane Type C is expected to be available next year.
Read More →The manufacturer will introduce a next-generation clean engine solution to meet the 2010 EPA emissions regulations and to position the company to meet greenhouse gas rules ahead of 2014 and 2017 requirements, officials announce. A Navistar spokesperson tells SBF that the short-term focus for the technology is on big-bore engines.
Read More →Officials say the engine manufacturer will begin production of the new ratings for its ISB6.7 unit this month. The new ratings for the ISB6.7 are certified at 0.20g oxides of nitrogen per brake horsepower (hp) hour without the use of emissions credits, and they include offerings of 220 hp with 520 lb.-ft. of torque and 250 hp with 660 lb.-ft. of torque.
Read More →The company’s plant in North Carolina builds the 10,000th ISL G natural gas engine, which can be used in school buses. Officials say this makes the ISL G the largest single automotive natural gas engine production in Cummins history. Key features of the unit include power ratings from 250 to 320 horsepower and up to 1,000 lb.-ft. of torque.
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From diesel particulate filters to diesel oxidation catalysts to crankcase filtration systems to a hybrid system, there are numerous products available to the industry. Their emission-reduction capabilities range from 20 to more than 90 percent, and they can be applied to a variety of engines and school buses.
Read More →The manufacturer says that customers are seeing fuel economy savings with its school buses equipped with SCR to meet the EPA standards. An Indiana transportation director gives details on his district’s experience with the technology.
Read More →Company executive Dr. Stephen J. Charlton testifies at a public hearing about the EPA and NHTSA's proposed Heavy-Duty National Program, which would reduce emissions and increase fuel efficiency for heavy-duty engines and vehicles. Charlton says that Cummins looks forward to working with the agencies to deliver a final rule on the program.
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