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BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

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The VEMB system uses a concentric camshaft, blow-down manifold and scavenge manifold to separate the exhaust event into two phases: high-energy blow-down to the turbo without pumping losses, and high-hydrocarbon scavenge to the EGR system. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fuel economy.

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Update on the ACCESS fuel efficient engine project; simulations find up to 48.9% improvement in fuel economy over baseline

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At the recent 2013 SAE World Congress, engineers from Bosch and AVL presented papers on progress in the ACCESS project, describing the design, combustion development and controls development for a resulting 4-cylinder gasoline turbocharged direct injection (GTDI) engine with part-load HCCI capability. I4 Ecotec engine.

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FEV analysis of automotive-scale Pinnacle opposed-piston engine finds potential for significant increases in fuel economy

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An analysis by FEV of a modeled automotive scale version of Pinnacle’s 4-stroke, spark-ignited (SI), opposed-piston, sleeve-valve architecture engine ( earlier post ) concluded that the engine has the potential to deliver significant additional fuel economy benefits of up to 42.6% configuration of the engine.

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CPT, TU Wien study finds 48V mild diesel hybrid cuts engine-out NOx 9%, 4.5% fuel economy improvement

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A joint study by Controlled Power Technologies (CPT) and Austria’s Technische Universität Wien (TU Wien) into 48V diesel mild hybrid technology verified a 9% reduction of NO x in raw engine-out emissions, while retaining the fuel economy and CO 2 benefits of diesel engine technology.

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Agility launches fifth-generation ProRail CNG fuel systems

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Agility Fuel Solutions (Agility), a leading global provider of clean fuel solutions for medium- and heavy-duty commercial vehicles, introduced the new fifth-generation ProRail CNG fuel system. BlueiQ’s Eco Mode and Driver Feedback help drivers manage fuel economy and avoid unplanned stops.

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Business Aviation Coalition releases new sustainable aviation fuel guide; CAAFI new member

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The Business Aviation Coalition for Sustainable Aviation Fuel ( SAF Coalition ) released a new informational guide detailing how industry leaders can incorporate sustainable aviation fuel (SAF) into their operations and accelerate the adoption of low-carbon fuels, while reducing greenhouse gas (GHG) emissions. On 14-15 Sept.,

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Toyota develops packaged fuel cell system module for sale

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Toyota Motor Corporation has developed a product that packages a fuel cell (FC) system into a compact module; the company plans to begin selling it in the spring of 2021 or later.

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