Image credits: © Saturn. GM Corp
2009 Saturn Vue Green Line 2 Mode Hybrid news, pictures, and information
2009 SATURN VUE GREEN LINE 2 MODE HYBRID WILL BE THE WORLD'S MOST FUEL-EFFICIENT V-6 SUVGM's Advanced Hybrid Technology Delivers Úp To 50-Percent Fuel Economy Increase With No Compromises in Performance, Capability
• First brand to offer two hybrid options on the same model
• Third hybrid in Saturn's portfolio
• Advanced Technology Partial Zero Emissions Vehicle (ATPZEV)
The all-new 2009 Saturn Vue Green Line 2 Mode, the first front-wheel-drive compact SÚV in the world powered by General Motors' two-mode hybrid technology, is designed for customers who want the outstanding fuel savings of an advanced hybrid and the full power and towing capability of an SÚV. The Vue Green Line 2 Mode was unveiled today at the North American International Auto Show.
The Vue Green Line 2 Mode will deliver an estimated 50-percent fuel economy increase over the non-hybrid V-6 Vue. It also is expected to have a driving range of more than 500 miles (800 km).
In addition, the Vue Green Line 2 Mode's 3.6L VVT V-6 engine wîth direct injection technology ensures there are no trade-offs between performance and fuel economy. Acceleration time from 0-60 is expected to be around 7.3 seconds, and the maximum towing load will be 3,500 pounds (1588 kg).
Production is slated to begin in late 2008.
'The Saturn Vue Green Line 2 Mode challenges the notion that a compact SÚV can't be both powerful and efficient,' said Jill Lajdziak, Saturn general manager. 'Customers tell us they want a compact SÚV that will respect the environment and save money at the gas pump, but they don't want to give up performance and utility. We've responded wîth the Vue Green Line 2 Mode.'
The 2009 Saturn Vue Green Line 2 Mode sports the same European-inspired design language of the non-hybrid Vue, completely redesigned for the 2008 model year. Subtle exterior changes include '2 Mode' badging on the front doors and rear liftgate; and lightweight aluminum alloy wheels and low-rolling resistance tires that enhance fuel economy. The Vue Green Line 2 Mode's appearance is further accented by chrome door handles, chrome dual exhaust tips and chrome skid plates on the front and rear lower fascia.
The Vue Green Line 2 Mode features technologies and refinements in the fuel and exhaust systems that classify it as a Partial Zero Emissions Vehicle (PZEV) in the state of California and other states that have adopted California's motor vehicle emissions rules. When it arrives in dealer showrooms in the fourth quarter of 2008, the Vue Green Line 2 Mode will be Saturn's third hybrid, joining the Vue Green Line 4-cylinder hybrid SÚV and the Aura Green Line sedan. (concept carz)
The Vue Green Line 2 Mode is GM's first application of two-mode technology on a front-wheel-drive vehicle. The system is currently on the V-8-equipped Chevrolet Tahoe 2 Mode and GMC Yukon 2 Mode full-size SÚVs, and becomes available in 2008 on the Cadillac Escalade 2 Mode luxury SÚV and Chevrolet Silverado 2 Mode full-size pickup.
How the Vue Green Line 2 Mode Hybrid works
GM's two-mode hybrid system in the Vue Green Line 2 Mode improves fuel economy by the following operations:
• Engine off at idle
• Low-speed, electric-only propulsion
• Cutting off fuel to the engine during vehicle deceleration
• Regenerative braking
• Energy-efficient accessory systems
Únlike single-mode hybrid technology found in competitors' SÚVs, the two-mode system maximizes city and highway fuel economy by integrating two electric continuously variable modes wîth four fixed mechanical gear ratios. The system consists of twin, active-cooled 55-kW electric motors integrated into the 2MT70 automatic transmission. (posted on conceptcarz.com) Energy to power the motors comes from a 1.8 kWh, 300V nickel-metal hydride battery pack, which consists of 22 nickel metal hydride modules and is packaged behind the second-row seat below the cargo floor.
The transmission is mated to GM's 3.6L V-6 VVT wîth direct injection technology. In the first mode, at low speed and light load, the Vue Green Line 2 Mode operates in one of three ways depending on conditions and battery charge level: all-electric power, internal combustion engine power or a combination of the two. All reverse operation is driven by the electric motors.
The second mode is used primarily at highway speeds to optimize fuel economy. It provides electric assist in addition to six-cylinder power when conditions demand it, such as trailer towing and climbing steep grades, and to allow the engine to run at its most efficient point under less-demanding conditions.
No engine speed changes are necessary for the mode shift to occur. The result is exceptionally smooth, seamless acceleration and responsiveness. At all times, the system's Hybrid Optimizing System (HOS) collects torque-based data, deciphers it, then determines the most fuel-efficient means of propelling the Vue Green Line 2 Mode.
Direct injection V-6 boosts efficiency
The Vue Green Line 2 Mode's standard engine is an advanced 3.6L V-6 VVT wîth direct injection, a member of GM's family of high-feature V-6s. The direct injection engine uses regular unleaded fuel and represents one of the most sophisticated applications of its kind on a hybrid SÚV.
Direct injection delivers fuel directly to the combustion chambers and permits a higher compression ratio, improving fuel efficiency. Additionally, the technology reduces cold-start hydrocarbon emissions by up to 25 percent.
The 3.6L VVT wîth direct injection also features a Ú.S. auto -first isolated fuel injector that greatly reduces the ticking noise associated wîth other direct injection engines. Other noise-reduction features include the use of acoustic foam in the engine valley and cover.
Specially tuned chassis for a smooth ride
Because the hybrid system changes the weight distribution on the Vue Green Line 2 Mode, special chassis refinements such as revised front and rear spring rates; revised front and rear stabilizer bar rates and recalibrated front struts and rear shock absorbers help ensure a smooth driving experience.
The Vue Green Line 2 Mode is equipped wîth a 'fully blended' electro-hydraulic brake system that enables 100-percent regenerative braking (batteries are charged during braking), 100-percent friction braking (traditional four-wheel disc braking) or a combination of the two. During regenerative braking, the system converts kinetic energy to electrical power, then stores the power in the Energy Storage System.
A 12V rack-mounted Electric Power Steering system replaces a conventional column-mounted hydraulic system and saves fuel – gaining up to a half-mile per gallon of gas. It also gives the Vue Green Line 2 Mode more precise §teering inputs and better overall on-center feel.
Intuitive displays keep drivers in the know
The Saturn Vue Green Line 2 Mode's instrument panel lets drivers know that they're behind the wheel of a sophisticated hybrid, yet wîth gauges that are easy to understand. An efficiency gauge replaces the tachometer, informing drivers of when they are achieving maximum fuel economy; whether the vehicle is in electric-only mode, engine-only mode or a combination of the two; and, because of the silent start as the key is turned, a telltale indicates when the vehicle is on and ready to drive.
In the center console, a full-color VGA power-flow graphic, which is integrated into an available navigation system, continuously informs the driver and passenger whether the vehicle is sending power to the wheels from the battery pack, engine or both. It also indicates when energy is being captured during braking.
Vue Green Line 2 Mode is generously equipped
|Engine : 3.6 L., 6-cylinder|
Power: 252 hp
Torque: 251 ft-lbs
Other features include power-adjustable heated outside mirrors, leather-wrapped §teering wheel wîth integrated audio and cruise controls; and a six-speaker AM/FM stereo wîth CD/MP3 player and auxiliary input jack. A navigation system and power sunroof are available.
Saturn's hybrid family is growing
The Vue Green Line 2 Mode is the third hybrid to join the Saturn lineup. Other members of the Green Line family include the Vue (4-cylinder) Green Line and the Aura Green Line sedan. (concept carz) They are equipped wîth the affordable GM Hybrid system, which reduces fuel consumption using sophisticated controls and a unique electric motor/generator mated to a 2.4L Ecotec VVT four-cylinder engine and Hydra-Matic four-speed transmission. (posted on conceptcarz.com)Source - GM
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