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GM debuts 2014 Stingray; direct injection, cylinder deactivation, CVVT contribute to more power and reduced fuel consumption

Green Car Congress

GM staged the debut of the all-new, 7 th generation Chevrolet Corvette Stingray on the eve of the Detroit Auto Show. The LT1 is backed by a choice of active exhaust systems that are less restrictive than the previous generation, due in part to an increase in diameter from 2.5 2014 Corvette Stingray. Click to enlarge.

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Daimler Trucks NA SuperTruck achieves 115% freight efficiency improvement over 2009 baseline; 50.2% engine BTE

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Testing was also conducted at the DTNA Detroit engineering facility to demonstrate engine efficiency by achieving 50.2% The controller continuously monitors the engine’s operating conditions as well as the external environment, and uses an on-board computer to determine the most efficient course of action during real-world operation.

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Chrysler introduces Pacifica plug-in hybrid minivan; 80 mpge city, 30-mile AER

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Chrysler unveiled the all-new 2017 Pacifica minivan in both conventional and plug-in hybrid versions at the North American International Auto Show (NAIAS) in Detroit. The PHEV is the minivan segment’s first. The Pacifica Hybrid will deliver an estimated all-electric range of 30 miles from a 16-kWh lithium-ion (Li-ion) battery.

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Ford unveils next-gen F-150; up to 700 lbs lighter, new 2.7L EcoBoost with stop-start

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Ford introduced the all-new Ford F-150 at its press conference at the North American International Auto Show in Detroit. EcoBoost with standard Auto Start-Stop. EcoBoost with Auto Start-Stop. liter EcoBoost’s fuel efficiency is the debut of standard Auto Start-Stop technology in the F-150. 2015 F-150.

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Audi unveils Q8 sport concept with 48V mild hybrid system (mHEV); drive system coming to “many” Audi models

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At the 2017 Geneva International Motor Show, Audi is presenting the Audi Q8 sport concept, a new performance-oriented take on the Q8 concept study introduced at the 2017 Detroit Motor Show. The electric powered compressor supports the turbochargers at times when the exhaust gas is insufficient for rapid development of power.

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

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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 Water-cooled exhaust-gas recirculation (EGR) for Tier II, Bin 5 and ULEV II compliance. New 8-speed.

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Schaeffler presents Efficient Future Mobility North America concept vehicle; cost-effective reductions in fuel consumption

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Schaeffler presented a new concept vehicle at the North American International Auto Show (NAIAS) in Detroit. The disconnect clutch system includes continuous monitoring of driving conditions and the drive train environment to ensure lightning fast switches to AWD mode if required. Click to enlarge. Stop-start system components.