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PNNL team develops onboard fuel separation technology to enable octane-on-demand for improved fuel economy

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Researchers at the US Department of Energy’s Pacific Northwest National Laboratory (PNNL) have developed an onboard separation system that could support increased fuel economy and lower greenhouse gas emissions as part of an octane-on-demand fuel-delivery system. Unfortunately, these engines exacerbate engine knock.

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CMU study highlights lower-cost design path to fuel economy compliance: acceleration trade-off

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A team at Carnegie Mellon University has found that engineering design modifications that compromise other performance attributes—specifically acceleration—offer a pathway to reduce the cost to automakers of compliance with fuel economy standards. —Whitefoot et al.

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EPA fuel economy report finds weight and power leveling off, footprint stable

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EPA recently released the latest edition of its annual report Light-Duty Automotive Technology, Carbon Dioxide Emissions and Fuel Economy Trends. The report is the authoritative reference for real-world fuel economy, technology trends and tailpipe carbon dioxide emissions, for new personal vehicles sold in the US every year since 1975.

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Gen 3 Ecodiesel in 2020 Ram 1500 EcoDiesel delivers 480 lb-ft, leading fuel economy

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liter V-6 EcoDiesel is also expected to lead the segment on fuel economy. Pricing and fuel economy ratings will be announced closer to the truck’s on-sale date. liter EcoDiesel V-6 delivers increased torque and horsepower, along with fuel economy and minimal levels of noise, vibration and harshness (NVH).

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Toyota reveals hydrogen fuel cell electric Hilux prototype

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Toyota has unveiled a prototype hydrogen fuel cell electric Hilux. The development project has explored how these qualities might be maintained while adopting a new fuel cell electric zero emission powertrain. The new powertrain uses core elements from the Toyota Mirai hydrogen fuel cell electric sedan. Earlier post.)

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Toyota introduces second-generation Mirai fuel cell electric vehicle as design and technology flagship

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For 2021, Toyota has fully rebooted the Mirai, originally offered in 2016, as a premium rear-wheel drive sports-luxury fuel cell electric vehicle (FCEV) with striking design, cutting-edge technology, more engaging driving performance and a significantly longer EPA-estimated range rating.

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Volvo Trucks’ D13 Turbo Compound engine now standard on all VNL models; 6% better fuel economy over 2020 engine

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The enhanced D13 Turbo Compound (D13TC) engine from Volvo Trucks is now standard on all Volvo VNL models, providing enhanced fuel efficiency and reducing overall cost of ownership. In Europe and other key markets, the D13TC engine has exceeded expectations and has proven to be fuel efficient, reliable and popular with drivers.

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