Chrysler Readies Nine-Speed Auto Transmissions to Cut Fuel Consumption
August 1, 2012 9:21 AM
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The Chrysler 300 will be a recipient of the new 9-speed automatic transmission.
A 16% improvement in fuel efficiency is expected from nine-speed transmission
Automakers are pulling out all the stops and looking to squeeze every single mile per gallon out of their automobiles by any means necessary. Automakers are looking at more
fuel-efficient engines with smaller displacements
, but they're also looking at
reducing the weight of vehicles
increasing the number of forward gears
used in car/truck transmissions.
Adding forward gears
to a transmission makes a lot of sense because the slower the engine spins, the less fuel it consumes. In years past automatic transmissions used in vehicles commonly had four or five forward gears. More recent vehicles are moving up to six-speed and in some cases even eight-speed automatic transmissions in luxury vehicles. Chrysler is eyeing even more gears inside with nine-speed gearboxes for more mainstream vehicles.
According to Mircea Gradu, vice president transmission powertrain driveline engineering, Chrysler will roll out its first nine-speed transmission by the first half of 2013. “I’m convinced that, sooner or later, others will come up with similar solutions,” Gradu said in an interview from his office in Auburn Hills, Michigan, where Chrysler is based. “Hopefully, the time will be as long as possible until they catch up with the technology.”
Chrysler CEO Sergio Marchionne believes that the automaker and its various brands will be able to meet looming fuel-efficiency standards by using technology that improves traditional gasoline engines combined with better transmissions rather than moving to plug-in hybrids and pure electric vehicles.
will reach 54.5 mpg by 2025.
Michael Omotoso, a powertrain analyst at LMC Automotive, said, "They’re [Chrysler] doing basically the bare minimum to satisfy government regulations. Their strategy is to meet the standards with minimum investment.”
reports that the nine-speed transmission Chrysler is developing could boost fuel economy of certain models by as much as 16%. Chrysler has already scored a 15% boost in the highway fuel economy of the Chrysler 300 and Dodge Charger by adding an eight-speed automatic transmission.
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RE: This is the solution to a reliable high torque capacity CVT
8/2/2012 2:29:15 AM
That is the most ignorant thing I have read here in a long time. Since the 70's automobiles have gained (and in some cases then lost again):
- Driver air bag
- Passenger air bag
- Side air bags
- Auto climate control in non-luxury vehicles
- Front Wheel Drive
- Electronic Engine Control
- Motor driven fans
- Fuel Injection
- Anti-lock brakes
- Tire pressure sensing
- High intensity headlights
- Streamlined designs
- Higher crash resistance
- higher MPG to weight ratio (safety features don't come free, they weigh more)
- Mass produced ELECTRIC CAR
- too many other things to keep adding to this list
Adding a few gears and acting like that is finally doing something after no activity is just absurd.
They HAVE spent years working on and achieving better automobiles. There's no way I would consider driving a 1970's car as a primary vehicle, only as a toy, if it was a classic convertible only driven slow around town on the weekend just to show it off.
The "American thing" is free market. Let them choose to build whatever they want to and the consumer buys what they want WITHOUT it being forced upon them through government. The government is not supposed to force things upon the people, it is instead supposed to represent the will of the people which could have already been expressed by what they choose to purchase.
All that government intervention does is bad - it removes freedom of choice.
"Can anyone tell me what MobileMe is supposed to do?... So why the f*** doesn't it do that?" -- Steve Jobs
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