HEMI® Hybrid to Join Cummins Turbodiesel in Future Ram Powertrain Lineup
| Auburn Hills, Mich., Jan 13, 2008 - Chrysler LLC added to its list of fuel efficient powertrain offerings for the all-new Dodge Ram 1500 pickup today, announcing that the company’s advanced two-mode hybrid will join the light-duty Dodge Ram powertrain lineup for 2010. |
The Dodge Ram HEMI® Hybrid joins the Chrysler Aspen and Dodge Durango in the Chrysler hybrid vehicle lineup.
Last year, the company also announced that it would introduce a Cummins turbodiesel engine after 2009 for the Dodge Ram 1500. The engine will meet 50-state emissions standards, and will deliver a 30-percent fuel economy improvement.
“Dodge Ram is known for capability, utility and performance,” said Frank Klegon, Executive Vice President – Product Development, Chrysler LLC. “The addition of hybrid and diesel powertrains to our all-new Dodge Ram 1500 lineup is sure to attract an array of new customers looking for the ultimate combination of full-size pickup fuel efficiency, performance and capability.”
The hybrid and diesel offerings for Dodge Ram are in addition to three gasoline powertrain options:
The renowned HEMI powerplant, in hybrid form, will continue to feature Chrysler’s Multi-displacement System (MDS), which allows the engine to seamlessly alternate between four-cylinder mode when less power is needed and V-8 mode when more power is in demand. The two-mode hybrid system provides assistance from electric motors allowing the HEMI V-8 to remain in four-cylinder mode more often than without a hybrid powertrain, improving overall fuel economy.
The Advanced Two-mode Hybrid System
As a result of low- and high-speed electrically variable transmission (EVT) modes, the system is defined as a “two-mode hybrid.” In addition, the sophisticated fuel-saving system incorporates four fixed-gear ratios for high efficiency and power-handling capabilities. During the two EVT modes, the system can use the electric motors to improve fuel economy, acceleration, and for regenerative braking to utilize energy that would normally be lost during braking or deceleration. The energy is stored in the batteries for later use.
The system’s two modes are optimized for city and highway driving.
In the first mode — at low speed and with light loads — the vehicle can operate in three ways:
The two-mode hybrid provides all of the fuel-saving benefits of a full-hybrid system, including electric-only operation. In this mode, the engine is “shut off,” with the vehicle moving under electric-only power at low speed. The result is a significant reduction in fuel consumption in heavy stop-and-go traffic.
The second mode is used primarily at highway speeds. In addition to electric assist, the second mode provides full power from the 5.7-liter HEMI® V-8 when conditions demand it, such as when passing, pulling a trailer or climbing a steep grade.
Hybrid Development Center
Chrysler Advanced Propulsion Technology
Sunday, January 13, 2008
Posted by The 'C' Team at 5:05 PM