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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.). Source: Cummins.

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Nissan reveals Frontier Diesel Runner with 2.8L Cummins turbo diesel; leveraging ATLAS engine program

Green Car Congress

Based on a Frontier Desert Runner 4x2 model, was created to gauge the market reaction to a Nissan mid-size pickup with a diesel engine and plot a potential future direction for the Frontier. The baseline engine for the work was a Euro IV-compliant inline 4-cylinder 2.8L to provide a 5.0-liter Earlier post.). to provide a 5.0-liter

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McMaster team reviews progress on hybrid-specific engine technologies

Green Car Congress

A team from McMaster University in Canada has published a comprehensive review of recent progress in low-temperature combustion (LTC), alternative fuels (AF), over-expansion Atkinson cycle, and waste heat recovery (WHR) techniques as applied to hybrid-specific engines. —Wang et al.

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2025 Subaru WRX tS Review -- STI? What STI?

The Truth About Cars

liter turbocharged horizontally-opposed "boxer" four-cylinder (271 horsepower @ 5,600 RPM, 258 lb-ft @ 2,000-5,200 RPM) Transmission/Drive Wheels Six-speed manual, all-wheel drive Fuel Economy, MPG 19 city / 26 highway / 22 combined (EPA Rating) Fuel Economy, L/100km 12.4 2025 Subaru WRX tS Powertrain 2.4-liter

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ICCT: incremental technology can cut vehicle CO2 by half and increase fuel economy >60% through 2030 with ~5% increase in price

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l/100 km) in 2016, the The ICCT team assessed increased consumer label fuel economy (as opposed to the regulatory test fuel economy) to 35 mpg (6.71 The resulting trajectory would reduce CO 2 emissions by half and increase fuel economy by more than 60% from 2016 through 2030. Advanced engines.

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DOE: Life cycle GHG emissions for 2020 electric small SUV were half those of a conventional gasoline small SUV

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Using current technologies, all evaluated biofuel, battery electric, and hydrogen fuel cell vehicle pathways offer significant C2G GHG emissions reduction compared to the current gasoline internal combustion engine vehicle. Key assumptions for these two scenarios (e.g., powertrain efficiency, component weights, etc.)

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DOE awards $1.5M to Gentherm (Amerigon) for thermoelectric-based energy recovery system for heavy-duty vehicles; expands existing LDV program

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With the addition of this project, Gentherm adds the US Army Tank Automotive, Research, Development and Engineering Center (TARDEC) to its passenger car key partners Ford and BMW. The TEG developed in that project provided a proof-of-concept for stack-arranged TE engines in a cylindrical form factor. Click to enlarge. Resources. ????