GM to Release 2009 Hybrid Full Size Pickup
I don't know if it is enough to save the US automaker's falling sales, but GM announced earlier this month at the Chicago Auto Show that the GMC Sierra will be available in hybrid
model in late 2008. With 25% improved fuel economy, the hybrid Sierra will use a two-mode hybrid system. CNN Money
Like single-mode hybrid systems now used by Toyota Motor Corp. (TM), Ford Motor Co. (F, Fortune 500) and others, the two-mode runs without the gas engine at low speeds. But at higher speeds, the electric motor in the two-mode hybrid contributes more power. The two-mode system also is better for towing.
At speeds under 30 mph, the Sierra will run solely on its electric motor. Essentially, the hybrid system helps the 6-liter, V-8 engine run longer in its four-cylinder mode. Even with all these changes, the hybrid Sierra will only get 20mpg.
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Posted by Jennifer Lance at February 21, 2008 5:40 AM