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HyBoost concept achieving close to Prius-level CO2 emissions; aggressive downsizing with advanced boosting and micro-hybrid system

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version of its vehicle (a 2009 Ford Focus) but with fuel economy and CO 2 emissions approaching those of a Prius, according to David Boggs, Ricardo Technical Specialist, Engines, in a presentation at the recent 2011 Directions in Engine-Efficiency and Emissions Research Conference (DEER) hosted by the Department of Energy in Detroit.

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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. —Isenstadt and German (2017). Background.

Diesel 186
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Volkswagen Group to begin equipping TSI and TFSI engines with gasoline particulate filters from June 2017

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liter TSI engine in the new VW Tiguan and the Audi A5 in June 2017. This will reduce particulate emissions from the direct injection gasoline engines by up to 90%. Although gasoline direct injection (GDI) enables downsizing with its increased power and lower fuel consumption, it also results in higher particulate emissions.

Gasoline 150
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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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GM, Ford R&D execs stress importance of improved, advanced fuels for future engine efficiency gains, GHG goals

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In separate presentations at the 2017 SAE High Efficiency IC Engine Symposium in Detroit, R&D executives from GM and Ford each stressed the importance of improved, advanced fuels—among other technology developments—for their future engine efficiency gains and for long-term CO 2 emissions goals.

GM 150
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Ford study suggests GDI engines can meet coming California and US PM emissions standards over 150k miles; more work to be done

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PM mass emissions rates for the FTP and US06 drive cycles as function of vehicle mileage. The EU has already set a standard for 6 × 10 12 number/km limits between 2014 and 2017, tightening to 6 × 10 11 number/km.). These efforts are yielding reductions in PM emissions, but this is still a work in progress. Click to enlarge.

Standards 246
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Continental XL3 solenoid injector in production in 1.5L GDI engine; looking ahead to Euro 6c

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Compliance with future emissions standards such as Euro 6b (from 9/2014) and Euro 6c (from 9/2017) will call for further improvements in engine combustion processes. Additionally, with further-refined monitoring functions, the XL3 injector can reduce particulate emissions in GDI engines. Emissions Engines'

Engine 294