What is a two-mode hybrid?

Glenn Denomme, chief engineer, hybrid powertrain programs explains the difference between a straight hybrid and a two-mode hybrid

Combine the advanced technology with a proven transmission that optimizes city and highway driving.

Of course you can’t have advanced technology without new anagrams and new technology words, such as EVT, controls, power electronics, regen braking , NiMH battery, auto stop, silent mode, electric mode.

Denomme explains how it all works while integrating a HEMI with MDS, another fuel saver.

But what is the difference between the gasoline version, and the hybrid version when you compare apples to apples? The only way you can do that is to compare the 2009 Chrysler Aspen 5.7 liter 4X4 J-package with NAV against the Chrysler Aspen hybrid.

When you do that there is a $3,550 difference, but the gas mileage (see below) of the hybrid is 5 miles per gallon better.

You can only compare E85 to gasoline with a 4.7-liter engine, as E85 only comes in the 4.7-liter engine.

Price:
Gasoline:
MSRP Price
$42,020*
(Comparable gas price Limited 4X4 J-package with NAV)
Hybrid:
MSRP Price
$45,570*
E85:
$41,385
*includes destination
(According to Chrysler: The manufacturers suggested retail price (MSRP) for the new 2009 Dodge Durango HEMI® Hybrid is $45,340, including $800 for destination. Additionally, customers are expected to receive an estimated tax credit of $1,800 for either the Chrysler Aspen or Dodge Durango)

Towing Capacity:
Gasoline:
8,750 lbs (5.7-liter)
Hybrid:
6,000 lbs
E85:
7,250

Fuel Economy:

Gasoline:
city/highway:
13/18
Hybrid:
city/highway:
19/20
E85:
9/12

Engine:
Gasoline:
horsepower: 5.7-LITER HEMI MAGNUM, OHV, V-8 with MDS
Total Output: 335 hp @ 5650 rpm Torque: 370 @ 4200
Hybrid:
5.7-liter HEMI V-8 engine with MDS
Total output, when combined with the advanced two-mode hybrid system, is 385 horsepower and 380 lb.-ft. of torque.
E85:
4.7-liter Flex-Fuel

[1] V8 with five-speed automatic transmission
Total Output: 303 hp (226 kW) @ 5650 rpm Torque (estimated SAE net) 330 lb.-ft. (447 N¢m) @ 3950 rpm

About the Author:

Lou Ann Hammond is the CEO of Carlist and Driving the Nation. She is the co-host of Real Wheels Washington Post carchat every Friday morning and is the Automotive, energy correspondent for The John Batchelor Show and a Contributor to Automotive Electronics magazine headquartered in Korea. Hammond is a member of the North American Car and Truck of the Year (NACTOY), Women's World Car of the Year (WWCOTY), and the Concept Car of the Year.