Remove Conversion Remove Downsizing Remove Emissions Remove Fuel Economy
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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 liter) and its emission control system (ECS) without a weight penalty. Earlier post.).

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MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective

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The transportation sector was responsible for over 7 million tons of NO x emissions in the US in 2014, with 50% of this sector’s NO x attributed to heavy-duty on- and off-road vehicles and equipment. CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. Source of data: US EPA (2019).

Emissions 291
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Study finds catalyzed gasoline particulate filters effective at reducing particulate and PAH emissions from GDI engines

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Top: Gravimetric PM mass, PM mass calculated based on the IPSD method, black carbon, and EC/OC emissions over the LA92 cycle. Bottom: Total particle-phase PAH emissions, expressed in ng/mile, for both test vehicles over the LA92 cycle. liter downsized turbocharged centrally-mounted direct injection engine. Yang et al.

Gasoline 253
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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 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. real-world fuel economy, performance, drivability, reliability, and safety.

Diesel 186
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Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

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The analysis used the Ohio State University EcoCAR, a student prototype PHEV, as the basis for the preliminary fuel economy evaluation. This evolution has led to the point where achieving significant fuel savings through the introduction of new technologies has become difficult. of the fuel energy on the NEDC cycle.

Waste 312
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Independent testing shows 21.2% reduction in fuel consumption with XL Hybrids retrofit system

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The testing process compares fuel economy performance from the vehicle in its original condition with the performance using XL Hybrids’ charge-sustaining hybrid system. It also doesn’t necessitate a recertification of the vehicle for safety, emissions. The company had been targeting a 20% reduction. We don’t touch the warranty.

Hybrid 330
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Update on DOE Co-Optima project to co-optimize fuels & engines; goal of 30% per vehicle reduction in petroleum

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In an informational webinar in September, John Farrell, Laboratory Program Manager—Vehicle Technologies, National Renewable Energy Laboratory, and part of the Co-Optima leadership team observed that: Put most simply, the Co-Optima goal is to introduce better fuels and better vehicles sooner. Modeling and Simulation Toolkit.

Engine 150