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Study finds catalyzed gasoline particulate filters effective at reducing particulate and PAH emissions from GDI engines

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The researchers assessed the gaseous, particulate, and genotoxic pollutants from two current technology gasoline direct injection vehicles when tested in their original configuration and with a catalyzed gasoline particulate filter (GPF). Their study is publishedin the ACS journal Environmental Science & Technology. Yang et al.

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UPS updates 125 Workhorse E-GEN series hybrid electric step vans with smaller genset engine for better fuel economy

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UPS announced an update to 125 Workhorse E-GEN series hybrid electric delivery trucks that improve fuel economy as part of the company’s broader Rolling Laboratory approach. The smaller engine will improve fuel economy, however. The small ICE could be outfitted for gasoline, propane, or CNG.

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Lightning Systems receives California ARB executive order for aftermarket hydraulic hybrid vehicle conversions for Ford E-450s

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Lightning Systems announced that its LightningHybrids hydraulic hybrid system has received an Executive Order from the California Air Resources Board (CARB) allowing aftermarket conversions of gasoline-powered 2016 model year Ford E-450 vehicles. LightningHybrids significantly increase fuel economy using regenerative braking energy.

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

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Like DSF for gasoline engines, dDSF uses individual cylinder deactivation control strategies to meet torque demand at optimal fuel and aftertreatment efficiency. Engine controller with dDSF: Tula’s proprietary SW for smooth, efficient operation and fuel economy gains.

Diesel 221
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ICCT working paper highlights benefits of current and emerging light-duty diesel technology; “promising pathway for compliance”

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The ICCT team—John German and Aaron Isenstadt—concluded that diesels have and will retain two significant advantages over gasoline engines: significantly better fuel economy and cargo hauling and towing ability. Diesels offer a promising pathway for compliance and another option in manufacturers’ toolboxes. ”.

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

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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. About half of US refinery shutdowns are conversions to renewable fuel production. As of 10 June, EIA reported 93.7%

Congress 259
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Congressional Budget Office estimates US federal policies promoting EVs and other fuel-efficient vehicles will cost $7.5B through 2019; little or no impact on gasoline use and GHG in the short term

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Tax credits and gasoline prices necessary for various electric vehicles to be cost-competitive with conventional vehicles at 2011 vehicle prices. Those people who purchase electric vehicles because of the tax credit use less gasoline and produce fewer emissions of greenhouse gases than would otherwise be the case. Source: CBO.