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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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Tevva and Vattenfall collaborate to develop zero-emission transport solution; electric with hydrogen range extender

Green Car Congress

Electric truck company Tevva and Vattenfall signed a Memorandum of Understanding to explore the opportunity to provide a complete zero-emission transport solution for businesses looking to reduce the overall carbon impact of their operations. Tevva is an electric truck company with optional range extension technology that allows its 7.5-19t

Hydrogen 397
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New Emissions Analytics study suggests pollution from tire wear now 1,850 times worse than exhaust emissions

Green Car Congress

In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). —Emissions Analytics. Quoting such ratios, however, needs careful interpretation.

Exhaust 539
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Australian company introducing on-board hydrogen electrolysis unit to reduce diesel consumption and emissions

Green Car Congress

The independent testing on a generator showed the unit reduced diesel consumption in the range of 5–13%, lowered diesel particulate matter emissions by 25–80% and removed 7–25% of carbon monoxide. Wilson said based on a diesel price of A$1 a liter (US$2.62/gallon

Hydrogen 393
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Cummins showcases 15L fuel-agnostic engine platform; hydrogen, diesel, biogas

Green Car Congress

At CONEXPO, Cummins showcased its new fuel-agnostic 15-liter engine platform with hydrogen, natural gas and advanced diesel engines offering low-to-zero carbon fuel capability. The advanced diesel version can use either sustainable HVO fuel or biodiesel with ratings up to 650 hp (485 kW) for the most demanding off-highway duty-cycles.

Hydrogen 448
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Independent study confirms cost savings & emissions advantages for heavy-duty trucks running ClearFlame’s engine technology

Green Car Congress

ClearFlame has developed a technology that allows a heavy-duty engine to continue to operate using MCCI-based combustion when fueled on a wider range of fuels, including ethanol. ClearFlame-based engine technology uses MCCI to maintain diesel engine cycle efficiency and torque. In fact, it increases power by 25%.

Emissions 370
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FCA US reaches settlements on diesel emissions at estimated cost of $800M

Green Car Congress

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. The estimated total cost of settlements is $0.8 FCA US has also settled a putative class action on behalf of private consumers.

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