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

Green Car Congress

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. Source: Borgwarner. Click to enlarge. —Christopher Thomas.

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2019 Ram drops weight, gains 48V eTorque mild hybrid system

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Cooling air is drawn from inside the truck and vented via the built-in cabin exhausters. The newest Pentastar V-6’s advanced technologies, such as wide-range variable valve timing and two-step variable valve lift, deliver an optimized blend of power and fuel economy, based on the driver’s demand. The Pentastar V-6 uses an 11.3:1

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DARPA awards LiquidPiston $2.5M to advance further X4 rotary engine prototype

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LiquidPiston will be developing its X4 test rig: a prototype 30 kW diesel X-engine, with targeted brake specific fuel consumption (BSFC) of 186 g/kWh (better fuel efficiency than heavy duty truck engines, and twice the fuel economy of a gasoline engine over a typical drive cycle). Shkolnik et al. 2014) Click to enlarge.

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Ford Using Ti-VCT in New 5.0L V8 for Mustang GT

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liter V-8 Mustang GT deliver projected fuel economy of up to 25 mpg US on the highway cycle—better than the pervious model—despite its performance. Ti-VCT provides extremely precise variable—yet independent—control of timing for intake and exhaust valves. Fuel economy also is aided by engineering a lightweight powertrain.

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Jeep introduces 2018 Wrangler with mild hybrid, diesel options; plug-in hybrid version in 2020

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The eTorque system improves fuel economy, launch performance, and driver comfort during start/stop operations. liter turbocharged I-4 engine is part of the Global Medium Engine architecture family and features Double Overhead Camshafts (DOHC), dual independent camshaft timing, and a cooled exhaust gas recirculation (C-EGR) system.

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2014 Jeep Grand Cherokee offers new 3.0L EcoDiesel V-6 and 8-speed for 30 mpg highway

Green Car Congress

Among the many features of the new 2014 Jeep Grand Cherokee—introduced at the Detroit Auto Show—two in particular contribute to significantly improved fuel economy and driving performance: an optional new 3.0-liter Full-time 4x4 models have fuel economy figures of 20 city and 28 highway. Click to enlarge. New 8-speed.

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Gillig offering Vanner Hybrid Beltless Alternator as standard equipment on hybrid buses

Green Car Congress

over traditional alternator technology; fuel economy improvements and. reduced exhaust emissions; stable DC power at all temperatures and speeds; and precise and maintenance-free. We anticipate that transit fleets will only need one HBA for every five alternators and associated parts. integrated voltage regulation.

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