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2015 Toyota Prius to be lighter, more fuel efficient

 2015 Toyota Prius to be lighter, more fuel efficient
2012 Toyota Prius - 19.9.2011

Tires will play a key roll

The Toyota Prius started its life as an ugly little hybrid, but that quickly changed with the introduction of the second- and third-generation model. Now, new details are starting to emerge about the fourth-generation model which is expected to be launched in 2015.

According to Inside Line, the car will feature lightweight materials, improved aerodynamic styling and specially-designed tires that have an extremely low-rolling resistance. The tires are seen as critical, since engineers have identified them as a key area where fuel efficiency gains can be made.

It remains unclear how much can be done to boost the car's mechanical efficiency, but the current model is rated at 51 mpg city / 48 mpg (US).

 

Source: Inside Line

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Comments (11)

9TNine
Toyota has to significantly improve the interior plastics used in this car. Feels like you're sitting in a $10k car. Thus IMO a Avalon Hybrid would be better.
Jun 28, 2012 10:06 am
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jmg_84
The Prius, like any other hybrid, is a stepping stone in the right direction to all electric vehicles. Sorry guys, but ICEs are history. Give it another 20 years, and gasoline engines will be a novelty.
Jun 28, 2012 2:01 am
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HEMI426
How different from this can it look? It don't think it will be much different. I like the philosophi from japanese car makers that normally aspirated engines are more reliable, but since the engine in this isn't used that much, why put a 1.8L in it?
Jun 27, 2012 6:56 am
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AymanSalameh
U get the same consumption from bigger diesel engines, Prius has become a social status, look at me am green and care about the environment. Instead of regulating auto industry they have to regulate the birth rate, with 7 billion humans who will become 9 billions by 2050 our planet is doomed anyway so let us enjoy our cars
Jun 27, 2012 3:36 am
2 2
Sacto8780
But diesel engines have one big problem: air pollution. You're forgetting that diesel engines have higher NOx outputs and it also spews diesel particulates, which are bad for human lungs. That's why cleaning up diesel engines to meet US emission standards (and the new Euro6 standard) is very expensive to do, as we note from the BlueTec system used by Mercedes-Benz.
Jun 28, 2012 7:38 am
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Sacto8780
My guess is that the 2015 Prius will look almost the same as the current Gen III model, but with switch to a new generation of dry-electrode lithium-ion batteries so the gasoline engine runs even less. In short, 60+ mpg average based on the EPA 2008 test may be within reach.
Jun 26, 2012 11:27 pm
1 1
NYyanks
And yet still, no one cares
Jun 26, 2012 8:07 pm
3 2
dnipete
and yet still, the best selling hybrid
Jun 27, 2012 5:28 am
1 3
NYyanks
and yet still, stigmatic "environmentalists" claim to be saving the planet by driving these, meanwhile, used up Prii batteries continue to pollute the earth, causing more harm.
Jun 27, 2012 11:34 am
2 0
dnipete
and yet still, you believe that Hummer is more environment friendly than Prius myth
Jun 27, 2012 8:19 pm
0 3
tbrodie
I think it was in Gen II that they talked about LiON for Gen III (mumble, mumble, re-tweak). I wonder if there is any hope of that for Gen IV.
Jun 26, 2012 6:52 pm
0 2
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