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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.

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

Green Car Congress

Heavy-duty diesel vehicles using mixing controlled compression ignition (MCCI), the most common ignition and combustion strategies for heavy-duty diesel engines, contribute significantly to the emissions of GHG, oxides of nitrogen (NO x ), and particular matter (PM) and are subject to stringent emission standards. GLE and $0.9/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.).

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NREL report finds electrified heavy-duty vehicle powertrains could provide lower total cost of ownership than diesel under certain conditions

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A new total cost of ownership (TCO) study from the National Renewable Energy Laboratory (NREL) finds that battery-electric and fuel-cell electric commercial trucks could be economically competitive with conventional diesel trucks by 2025 in some operating scenarios. —Hunter et al.

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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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Volkswagen customers in Germany ordering more diesel vehicles; share of 43% in 2018, vs. 39% in 2017

Green Car Congress

Customers of the Volkswagen Passenger Cars brand in Germany are once again placing more orders for diesel vehicles. In 2018, the share of incoming orders for vehicles equipped with the latest diesel technology as a proportion of the overall vehicle portfolio was 43% compared to 39% in 2017.

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New liquid hydrogen carrier would transport green H2 from Scotland to Germany

Green Car Congress

LH2 Europe will use the abundant renewable electricity in Scotland to produce green hydrogen and market it at a competitive price with diesel. Hydrogen will be essential to the future of energy. This tanker design is a key step in providing the infrastructure to make that clean energy future a reality.

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