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Achates near-zero heavy-duty opposed-piston diesel enters fleet service; compliant with 2027 NOx levels

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liter, heavy-duty opposed-piston, three-cylinder diesel engine it developed in a project funded by the California Air Resources Board (CARB) and several partners ( earlier post ) has entered fleet service with WALMART Corporation in a Peterbilt 579 tractor. liter engine. Achates Power announced that the 10.6-liter,

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EPA proposes stringent new emissions standards for light-, medium-, heavy-duty vehicles for MY 2027 and beyond

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The US Environmental Protection Agency (EPA) announced two new proposed federal emissions standards spanning light-, medium- and heavy-duty vehicles for model year 2027 and beyond. The light-duty vehicle category includes passenger cars and light trucks consistent with previous EPA criteria pollutant and GHG rules.

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Volkswagen 2.0 TDI diesel for Euro 6d; SCR twin-dosing

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TDI diesel for Euro 6d; SCR twin-dosing. Volkswagen continues to refine its most important diesel engine, the 2.0-liter With SCR twin dosing technology in the exhaust gas system, the diesel unit now undercuts the Euro 6d emission standard limits while also running quietly and smoothly, according to the company.

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Tula study shows electrified DSF for LDV mild hybrid diesels reduces CO2 emissions by up to 11%

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The study validated that Tula’s Dynamic Skip Fire (DSF) developed for mild-hybrid diesel vehicles reduced CO 2 emissions in a 2.3 liter 4-cylinder 48-volt light commercial vehicle in challenging real-world conditions. FEV, an international engineering partner to the auto industry, joined forces with Tula to develop this study.

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FCA US reaches settlements on diesel emissions at estimated cost of $800M

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FCA US has reached final settlements on civil, environmental and consumer claims with US federal and state agencies as well as private class actions to resolve differences over diesel emissions requirements. liter EcoDiesel V-6 engines. The estimated total cost of settlements is $0.8 6 million to Customs and Border Protection.

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EU-funded project develops diesel engine for light helicopters

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EU-funded scientists developed a novel 320 kW (429 hp) diesel engine for light helicopters as an alternative to conventional turboshaft engines. The technology demonstrated substantial reductions in fuel consumption and emissions. The engine weight is the crux of the project. —DELILAH final report.

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Exhaust and aftertreatment on the Achates ULNOx heavy-duty opposed-piston diesel

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opposed-piston (OP) heavy-duty diesel engine achieved Ultralow NO x (ULNO x ) performance results. A key element of the achievement is the low engine-out NO x from the opposed-piston engine, which reduced the requirements for the aftertreatment system (ATS). Earlier post.) Source: Achates Power.

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