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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

Green Car Congress

At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 Cost of the new engine relative to gasoline baseline. Earlier post.). l/100 km) for a vehicle of that size.

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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. Engine controller with dDSF: Tula’s proprietary SW for smooth, efficient operation and fuel economy gains.

Diesel 221
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Cummins & Tula demonstrate Diesel Dynamic Skip Fire (dDSF) cylinder deactivation; up to 66% reduction in NOx on CARB LLC #7

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developer of Dynamic Skip Fire cylinder deactivation technology ( earlier post ), collaborated on a significant technical demonstration of diesel Dynamic Skip Fire (dDSF) cylinder deactivation. Cummins’ X15 Efficiency Series 6-cylinder diesel engine enhanced with Tula’s diesel Dynamic Skip Fire (dDSF). Cummins Inc.

Diesel 286
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ICCT working paper highlights benefits of current and emerging light-duty diesel technology; “promising pathway for compliance”

Green Car Congress

The International Council on Clean Transportation (ICCT), one of the organizations at the root of uncovering the Volkswagen diesel emission scandal ( earlier post ), has published a new analysis of developments and trends in advanced diesel engine technology. —Isenstadt and German (2017). Background.

Diesel 186
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Greyrock, NREL study determines reduction in GHG and criteria pollutant emissions from using synthetic fuels produced from flare gas

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A Greyrock Flare Gas-to-Fuels conversion process at an Ohio oil well was used as the base case for this LCA. The liquid fuel produced directly from methane and other wellhead gases (associated gas) that would otherwise be burned or flared gas primarily consists of premium synthetic diesel with a small amount of synthetic gasoline.

Pollution 258
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SwRI D-EGR gasoline demo vehicle delivers diesel efficiency at lower cost; potential for LEV III/Tier 3 emissions

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improvement in city fuel economy (24.5 D-EGR is a SwRI-developed gasoline engine concept that uses in-cylinder fuel reforming to produce CO and H 2 (with Research Octane Numbers of 106 and 130, respectively) and high levels of recirculated gas (EGR) to achieve very high levels of thermal efficiency. The engine conversion.

Gasoline 317
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President Biden calls on Congress, States for fuel tax holiday; increase in refinery capacity

Green Car Congress

President Biden called on Congress to suspend the federal gas tax for the next 90 days, through the busy summer driving season—18 cents per gallon for gasoline and 24 cents per gallon for diesel. The average price of US on-highway diesel was $5.718 per gallon, up $2.432 from a year ago.

Congress 259