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Automakers the world over are striving to find ways to make their models more efficient, and Chrysler has a solution for some versions of the 2015 Chrysler 200 and 2015 Jeep Cherokee (2014 model shown). The Tigershark 2.4-liter four-cylinder in the 200 and the 3.2-liter Pentastar V6 in the Cherokee are getting a slight boost later this year thanks to the addition of Chrysler's Engine Stop-Start system as standard equipment. The company predicts modest gains - a three-percent improvement in fuel economy and a three percent reduction in CO2 emissions with the new tech compared to without it. While it's not much, those who sit in traffic a lot may see a difference.

Chrysler's stop/start system uses a high-speed starter motor to restart the vehicle in a claimed a third of a second. It works by detecting when the vehicle comes to a stop and turning off the engine. A more powerful battery maintains all of the model's accessories while it sits. When the driver lets off the brake, the car starts up again to drive away. There is even a button in the cabin to turn the ESS off, if desired.

The Jeep will be the first to receive ESS in the third quarter of this year to coincide with the start of production of the 2015 model-year version. The 200 will follow in the fourth quarter as a rolling change in production.

With both the Cherokee and 200 sharing the 2.4-liter four-cylinder, the decision begs the question as to why ESS isn't standard for it on both models. According to Chrysler spokesperson Kathy Graham, "It's a case-by-case basis." She said that the automaker expects about 70 percent of 200s to use the four-cylinder. Therefore, it wants to put stop/start where it has "the most impact on fuel economy and emissions." It makes sense that the company wants to see the best bang-for-the-buck from the system. Scroll down to read the full release about the new system for the models.Continue reading Some Jeep Cherokees and Chrysler 200s to get standard stop-start in 2015

Some Jeep Cherokees and Chrysler 200s to get standard stop-start in 2015 originally appeared on Autoblog on Wed, 25 Jun 2014 09:28:00 EST. Please see our terms for use of feeds.



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