Update: Toyota Exec Says Diesel Prius Hybrids Possible
#1
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Date posted: 12-08-2006
TOKYO — Following Toyota's announcement that it will buy a 5.9 percent stake in Isuzu, the companies announced that they will pursue a joint diesel development strategy.
"Our belief is that the demand for diesel engines will increase globally," said Steven Curtis, media and investor relations national manager for Toyota. That marks a change for the company that has pioneered development of gasoline-electric hybrid powertrains in search of maximum efficiency.
In the Toyota/Isuzu partnership, Isuzu will take the lead in the areas of research and development for diesel engine production and for emissions-control technologies. Toyota, meanwhile, will concentrate on "environmental technologies, including basic engine and other technologies and other technologies related to alternative fuels," Curtis explained.
If that sounds like Toyota will integrate a diesel engine into its Synergy hybrid drivetrain, you are right, according to Jim Press, president of Toyota Motor North America.
"It is too early to tell where the Isuzu relationship will go," he said, "but eventually we will have hybrids on diesel, biodiesel, ethanol — the whole gamut."
The modularity of the hybrid system makes it applicable to a range of power plants and fuel sources, he added. "It is the same hybrid system that works with all of those."
The previously opposed hybrid-versus-diesel camps seem to realize that combining the technologies is the fastest route to fuel-efficient vehicles with existing technologies and fuels. Detroit's Big Three demonstrated this with their concept cars developed under the Partnership for the Next Generation of Vehicles program under the Clinton administration. All three companies produced diesel-electric hybrids in pursuit of an 80 mpg family sedan. A Prius with a diesel engine would closely resemble those concept vehicles, both in appearance and fuel economy.
What this means to you: Before your neighbors finish paying off their Hummer H2 (or its gas bill), you might be able to buy a super-efficient family sedan that was a futuristic concept car not long ago.
Source: http://www.edmunds.com/insideline/do...ticleId=118788
TOKYO — Following Toyota's announcement that it will buy a 5.9 percent stake in Isuzu, the companies announced that they will pursue a joint diesel development strategy.
"Our belief is that the demand for diesel engines will increase globally," said Steven Curtis, media and investor relations national manager for Toyota. That marks a change for the company that has pioneered development of gasoline-electric hybrid powertrains in search of maximum efficiency.
In the Toyota/Isuzu partnership, Isuzu will take the lead in the areas of research and development for diesel engine production and for emissions-control technologies. Toyota, meanwhile, will concentrate on "environmental technologies, including basic engine and other technologies and other technologies related to alternative fuels," Curtis explained.
If that sounds like Toyota will integrate a diesel engine into its Synergy hybrid drivetrain, you are right, according to Jim Press, president of Toyota Motor North America.
"It is too early to tell where the Isuzu relationship will go," he said, "but eventually we will have hybrids on diesel, biodiesel, ethanol — the whole gamut."
The modularity of the hybrid system makes it applicable to a range of power plants and fuel sources, he added. "It is the same hybrid system that works with all of those."
The previously opposed hybrid-versus-diesel camps seem to realize that combining the technologies is the fastest route to fuel-efficient vehicles with existing technologies and fuels. Detroit's Big Three demonstrated this with their concept cars developed under the Partnership for the Next Generation of Vehicles program under the Clinton administration. All three companies produced diesel-electric hybrids in pursuit of an 80 mpg family sedan. A Prius with a diesel engine would closely resemble those concept vehicles, both in appearance and fuel economy.
What this means to you: Before your neighbors finish paying off their Hummer H2 (or its gas bill), you might be able to buy a super-efficient family sedan that was a futuristic concept car not long ago.
Source: http://www.edmunds.com/insideline/do...ticleId=118788
#2
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Considering the diesel VW Jetta TDI, without a hybrid system at all, gets almost as good if not sometimes better mileage than the Prius... I have to assume something like a Jetta TDI + hybrid electric motor would really dominate.
So if Toyota wants to give this a shot I foresee some pretty impressive results with it.
So if Toyota wants to give this a shot I foresee some pretty impressive results with it.
#3
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I've been saying this for years. Why wouldn't you put the most thermally efficient engine possible in a hybrid? Diesels have been making electricity for so long, in so many applications that are essentially hybrids (ever wonder why a diesel engine drives an alternator in a locomotive instead of direct drive to the wheels?), it just makes good sense they would pursue this path.
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