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To create the Malibu Eco, Chevrolet added a modest hp electric motor and a smallish pound, volt lithium ion battery pack to the hp four-cylinder gasoline engine.
GM calls this mild-hybrid system eAssist. Mild hybrid means the car never runs on battery power alone. Nothing wrong with that, since the biggest bump in fuel savings comes from regenerating power when you slow down in traffic, then use the recaptured power to get back up to speed.
To meet higher EPA economy requirements without taking over half the trunk for batteries, more cars are likely to add mild hybrid systems. So GM is out ahead, at least on the concept. As part of the package, the Malibu shuts off all fuel flow on deceleration but the electric motor kicks in the moment you step on the throttle; it also has auto stop-restart.
The next-generation Hydra-Matic 6T40 six-speed transmission is designed to enhance powertrain efficiency. Significant internal transmission changes to clutch controls and hardware provide reduced spin losses while improving shift response and time. The added electric power provided by the eAssist system allows for higher gearing to improve steady state efficiency without impacting acceleration performance or driveability. Automatic Grade Braking keeps the transmission in a lower gear when decelerating or coasting on a downgrade, helping to improve brake wear performance.
An auxiliary, electric-driven transmission oil pump is added to the 6T40, which keeps the transmission primed and the fluid flowing when the engine shuts down at a stop.
That keeps the transmission ready to perform when the driver accelerates, for a seamless, uncompromised driving experience. Founded in Detroit in , Chevrolet celebrates its centennial as a global automotive brand with annual sales of about 4. Chevrolet provides consumers with fuel-efficient, safe and reliable vehicles that deliver high quality, expressive design, spirited performance and value.
The Chevrolet portfolio includes iconic performance cars such as Corvette and Camaro; dependable, long-lasting pickups and SUVs such as Silverado and Suburban; and award-winning passenger cars and crossovers such as Sonic, Cruze, Malibu, Equinox and Traverse. Chevrolet also offers "gas-friendly solutions including Cruze Eco and Volt. Cruze Eco offers 42 mpg highway while Volt offers 35 miles of electric, gasoline-free driving and an additional miles of extended gasoline range, according to EPA estimates.
More information regarding Chevrolet models, fuel solutions, and OnStar availability can be found at www.
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