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DOE researchers investigate economic and environmental impacts of converting wet waste to renewable diesel

Green Car Congress

An open-access paper on their results is published in the journal ACS Sustainable Chemistry & Engineering. The marginal GHG emissions abatement costs were estimated to be $116–$270/tonne CO 2e and $5–$103/tonne CO 2 e for the yellow grease HEFA and swine manure HTL pathways, respectively, for a diesel price ranging between $0.5/GLE

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Cummins and Tula study of Diesel Dynamic Skip Fire (dDSF) shows 74% reduction in NOx, 5% in CO2 on low load cycle

Green Car Congress

a leader in propulsion efficiency, announced at SAE International’s WCX the results of their collaborative study on the effectiveness of Tula’s diesel Dynamic Skip Fire (dDSF) in reducing nitrogen oxides (NO x ) and carbon dioxide (CO 2 ) emissions on a Cummins X15 HD Efficiency Series diesel engine. Cummins Inc. Earlier post.).

Diesel 370
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York, Empa study finds retrofitting of VW diesel engines was successful

Green Car Congress

The VW diesel scandal began on 18 September 2015. On the opening day of the Frankfurt International Motor Show (IAA), the US Environmental Protection Agency (EPA) published a Notice of Violation: VW diesel engines with 1.6 liter engines of the EA 189 series had decreased by more than 36%. Expensive lawsuits followed.

Diesel 207
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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.

Diesel 284
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Tula presenting diesel Dynamic Skip Fire technology at Future Diesel Powertrain Summit in Shanghai

Green Car Congress

Tula Technology is presenting its diesel Dynamic Skip Fire (dDSF) technology ( earlier post ) at the 4 th Future Diesel Powertrain Summit China 2020 on 24-25 September 2020 in Shanghai, China. Comparison of baseline and dDSF CO 2 and NO x on HD FTP cycle and LLC. dDSF Simulation Project. Source: Tula.

Diesel 221
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Mercedes-Benz Vito gets OM 654 four-cylinder diesel engine

Green Car Congress

Mercedes-Benz is expanding Vito van range with enhancements including new high-torque four-cylinder diesel engines for the Vito Tourer with passenger car approval. In comparison to the predecessor, the new OM 654 diesel engine range reduces emissions and fuel consumption while also optimizing noise and vibration comfort.

Mercedes 186
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Hyundai Creta vs Maruti Suzuki Grand Vitara: Price and specifications comparison

Baua Electric

Here is a price and specification-based comparison between the 2024 Hyundai Creta and Maruti Suzuki Grand Vitara. Specifications Comparison Maruti Suzuki Grand Vitara Hyundai Creta Engine 1462.0 On the petrol front, the SUV gets two different engine choices. The diesel engine is a 1.5-litre There is a 1.5-litre

Suzuki 52