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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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Ricardo, Achates Power developing next-gen OP GCI engines for LDVs

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Ricardo is working in collaboration with Achates Power to develop the next generation of opposed-piston (OP) gasoline compression ignition (GCI) engines for light duty vehicles in a multi-phased project (BERYL), funded by the US Department of Energy (DOE) Advanced Research Projects Agency-Energy (ARPA-E). Earlier post.) Earlier post.)

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

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The 2020 Ram 1500 will become the most powerful half-ton diesel pickup in the US, with 480 lb-ft (651 N·m) of torque, and the most capable light-duty diesel, with towing capability up to 12,560 pounds. liter V-6 EcoDiesel is also expected to lead the segment on fuel economy. The all-new third-generation 3.0-liter

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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 found that fuel economy for the US fleet continues to improve. The report found that fuel economy for the US fleet continues to improve.

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Cummins ATLAS light-duty diesel surpasses fuel economy targets, with criteria emissions lower than Tier 2/Bin 2

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The Cummins team not only surpassed all fuel-economy targets, but also achieved criteria emissions lower than the stringent Tier 2/Bin 2 levels. The challenge was making those significant advancements while ensuring that the engine we produced would be commercially viable. Test cycle fuel economy (mpg). mpg (12.45

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Non-hybrid stop/start systems installed on 35.7% of US light-duty trucks produced in MY2018

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In 2012, less than one percent of all cars and light-duty trucks were produced with a non-hybrid stop/start system. After 2015, the greatest share of start/stop systems was installed on light-duty trucks, rising to 35.7% of all light-duty trucks produced in model year (MY) 2018. Notes: Data for 2018 are preliminary. Source: U.S.

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