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Diesel Technology Forum: 57% of all commercial diesel trucks on the roads in US are near-zero emissions models

Green Car Congress

Analysis of a study by S&P Global Mobility shows the number of new near-zero emission diesel trucks on the road in the US increased 10.2% between 2021 and 2022, according to the Diesel Technology Forum (DTF). Near-zero emission trucks are advanced diesel technology manufactured in the 2010 and later model years.

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Optimized heavy-duty CI engine fueled with DME delivers diesel performance, significantly reduces engine-out emissions

Green Car Congress

A team from Empa - Swiss Federal Laboratories for Materials Science and Technology and FPT Motorenforschung reports in an open-access paper in the journal Fuel on the performance and emission characteristics of an 11-liter heavy-duty compression ignition engine which was optimized specifically for DME (dimethyl ether) combustion.

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Cummins faces $1.7B fine for diesel Ram pickup emissions cheating

Green Car Reports

billion fine for emissions cheating with diesel engines in Ram pickup trucks. Justice Department and the State of California claiming Cummins violated the Clean Air Act by installing so-called defeat devices that allowed its diesel engines to cheat emissions. Engine manufacturer Cummins will pay a $1.67

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SwRI engineers develop near-zero emissions diesel engine technology; 90% reduction of NOx

Green Car Congress

Southwest Research Institute engineers have developed the next generation of clean diesel engine technology to reduce hazardous nitrogen oxides (NO x ) and carbon dioxide emissions while minimizing fuel consumption. g/hp-hr NO x emissions). g/hp-hr NO x emissions). The work is described in a pair of SAE Technical Papers.

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EPA AED estimates emissions controls were removed from > 550K diesel pickups over last decade; impact equivalent to adding 9M additional trucks

Green Car Congress

In a new report , the US Environmental Protection Agency (EPA) Air Enforcement Division (AED) estimates that the emissions controls have been removed from more than 550,000 diesel pickup trucks in the last decade. The AED report includes only tampering that involves the complete removal and disablement of emissions controls hardware.

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FCA US LLC to pay ~$300M in criminal penalties over diesel emissions test cheating

Green Car Congress

liter diesel engine for use in FCA US’ Jeep Grand Cherokee and Ram 1500 vehicles that would be sold in the United States. liter diesel engine for use in FCA US’ Jeep Grand Cherokee and Ram 1500 vehicles that would be sold in the United States. liter diesel program’s goals, timing, and marketing strategy.

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SwRI CAT-DEF reduces heavy-duty diesel emissions to meet CARB 2027 NOx requirements

Green Car Congress

CAT-DEF—Catalyzed Diesel Exhaust Fluid—is an SwRI-developed catalyst- and surfactant-modified diesel exhaust fluid (DEF) solution. The internally funded advancement successfully reduced heavy-duty diesel engine nitrogen oxide (NO x ) emissions to meet the California Air Resources Board (CARB) 2027 standards.

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