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The new Chevrolet Malibu hybrid was spotted roaming the streets of suburban Detroit the other day and yesterday it had its official coming out at the Baseball All-Star Game. Chevrolet is showing off the Malibu in the All-Star Fan Zone that is part of the festivities in San Francisco where the game will take place on Tuesday night.

The Malibu will feature the same belt-alternator-starter mild hybrid system used in the Saturn Aura and Vue mated to the 2.4L EcoTec four cylinder. When we first saw the new Malibu in January at the Detroit Auto Show we were all impressed by the handsome styling and the hybrid should make a welcome addition to the lineup. The new Malibu also gets an electronic stability control system. The Malibu hybrid starts production in October and should be available for purchase by Halloween.

[Source: General Motors]

All-New 2008 Chevrolet Malibu Hybrid Debuts at Major League Baseball's All-Star Game


Malibu Hybrid production begins in October, available at dealerships soon after

SAN FRANCISCO – The all-new 2008 Chevrolet Malibu Hybrid will join baseball's other stars as it makes its world debut in the All-Star Fan Zone today. The Malibu Hybrid's appearance continues through the last out of one of MLB's highlights of the year.

Thanks to an affordable hybrid powertrain option, the all-new 2008 Chevrolet Malibu Hybrid not only will be the most refined new midsize sedan in the neighborhood, but one of the most fuel-efficient, as well. Powered by the GM Hybrid System, the first-ever Malibu Hybrid delivers an EPA rating of 24 mpg city and 32 mpg highway – a two-mpg increase over the non-hybrid four-cylinder model – and will be Chevrolet value-priced, offering customers an affordable hybrid choice.

"The beauty of the Chevy Malibu Hybrid is that customers don't have to choose between a stylish, expressive, fuel-saving sedan full of standard content and the gasoline that goes in the tank," said Chevrolet General Manager Ed Peper. "The Malibu Hybrid's winning package of uncompromising design and fuel economy will help us assert leadership in the midsize sedan segment and meet the needs of Chevy customers."

Production of the Chevrolet Malibu Hybrid is scheduled to begin in October, with vehicles arriving in dealerships shortly thereafter. The system will be available as a powertrain option on the base LS model, which also features Electric Power Steering, Automatic Climate Control and the StabiliTrak electronic stability control system.

The GM Hybrid system featured on the Malibu Hybrid saves fuel by using sophisticated controls and software, as well as a unique, 36-volt electric motor/generator mated to GM Powertrain's 2.4L Ecotec VVT four-cylinder engine and Hydra-Matic 4T45 four-speed transmission. The GM Hybrid system maintains the vehicle's sporty feel and seamlessly reduces fuel consumption by:

* Shutting off the engine when the vehicle is stopped, to minimize idling
* Restarting the engine promptly when the brake pedal is released
* Enabling early fuel shut-off during vehicle deceleration
* Capturing vehicle kinetic energy during deceleration through regenerative braking to charge the advanced nickel metal hydride battery
* Performing intelligent battery charging when it is most efficient

The GM Hybrid system provides additional power, when required, during launch from the electric motor/generator. At wide-open throttle, such as during a passing maneuver, the system enhances acceleration by using the motor/generator to bolster the gasoline engine and achieve maximum power.

The GM Hybrid system also is designed to automatically maintain full accessory functionality – including climate control – when the vehicle is stopped, so that hybrid operation is seamless to the driver and passengers. The Malibu Hybrid delivers an appropriate balance of fuel economy and cabin comfort with an air conditioning system with two selectable modes. The Hybrid A/C mode favors more fuel-efficient performance by limiting the draw on the hybrid powertrain, while the normal mode provides maximum passenger comfort in hot climates and enhances defogging performance.

Malibu Hybrid models make a statement away from the gas pump, too, thanks to specific exterior appointments such as 16-inch low rolling resistance tires and unique hybrid badging. Inside, a special gauge cluster provides information and feedback about the hybrid powertrain's operation.

The 2008 Chevrolet Malibu Hybrid is covered by GM's five-year / 100,000-mile powertrain warranty, the most comprehensive in the industry. In addition, the Malibu Hybrid's advanced nickel metal hydride (NiMH) battery pack is covered by an eight-year / 100,000-mile warranty.

General Motors Corp. (NYSE: GM), the world's largest automaker, has been the global industry sales leader for 76 years. Founded in 1908, GM today employs about 280,000 people around the world. With global headquarters in Detroit, GM manufactures its cars and trucks in 33 countries. In 2006, nearly 9.1 million GM cars and trucks were sold globally under the following brands: Buick, Cadillac, Chevrolet, GMC, GM Daewoo, Holden, HUMMER, Opel, Pontiac, Saab, Saturn and Vauxhall. GM's OnStar subsidiary is the industry leader in vehicle safety, security and information services. More information on GM can be found at www.gm.com.

SPECIFICATIONS

Engine

Type:

2.4L Ecotec I-4 VVT

Assembly site:

Spring Hill , Tenn.

Application:

Chevrolet Malibu Hybrid

Displacement (cu in / cc):

145 / 2384

Bore & stroke (in / mm):

3.46 x 3.85 / 88 x 98

Block material:

cast aluminum

Cylinder head material:

cast aluminum

Crankshaft material:

cast nodular iron

Valvetrain:

DOHC, 4 valves per cylinder, continuously variable valve timing

Ignition system:

coil-on-plug ignition, with extended-life spark plugs

Fuel system:

sequential port fuel injection

Compression ratio:

10.6:1

Horsepower (hp / kW @ rpm):

164 / 122 @ 6000 (estimated)*

Torque (lb-ft / Nm @ rpm):

159 / 220 @ 4400 (estimated)*

Recommended fuel:

unleaded regular

Max. engine speed (rpm):

6900

Emissions controls:

close-coupled catalytic converter

EPA fuel economy (city / hwy mpg):

24 / 32

Additional features:

twin counter-rotating balancing shafts; pressure-actuated cooling jets, torque-based engine management system; cartridge-style oil filter; extended life coolant; extended life accessory belts; digital sensors

Transmission

Type

Hydra-Matic 4T45 four speed front-wheel-drive, electronically controlled, automatic overdrive transaxle with electronically controlled torque converter clutch

Assembly site:

Windsor, Ont., Canada

Hybrid features:

auxiliary oil pump, pipes, check valve, and specific electronic controls

Engine range:

2.4L

Max engine torque (lb-ft / Nm):

162 / 220

Max gearbox torque (lb-ft / Nm):

325 / 440

Gear ratios:

First:

2.95

Second:

1.62

Third:

1.00

Fourth:

0.68

Reverse:

2.14

Final drive ratio:

3.05

Maximum shift speed (rpm):

6900

Maximum validated gross vehicle weight (lb / kg):

4717 / 2140

Shifter quadrants:

P, R, N, D, I, L

Case material:

die-cast aluminum

Shift pattern:

(2) two-way on/off solenoids

Shift quality:

variable bleed solenoid

Torque converter clutch:

pulse width modulated solenoid control

Converter size (mm):

245 (diameter of torque converter turbine)

Fluid type:

DEXRON® VI

Transmission weight (lb / kg):

dry: 171.5 / 77.8

wet: 194.2 / 88.1

Fluid capacity (qt / L, approximate):

bottom pan removal: 7.4 / 7

Complete overhaul (qt / L):

10.6 / 10

Dry (qt / L):

13.2 qt / 12.5

Pressure taps available:

line pressure

Transfer design:

two-axis design, link chain assembly

* SAE certification pending

Note: Information shown is current at time of publication.

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