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The Buick LaCrosse sedan will be offered with the eAssist micro-hybrid technology as standard, starting with this summer. This version of the LaCrosse will use a variety of systems and body modifications in order to allow the car to do 37 mpg on the highway and 25 mpg in the city.
The car will be powered by a 2.4-liter Ecotec direct injection engine that will produce 182 hp, mated to a 6-speed gearbox. This eAssist system consists of an 115V lithium-ion battery and a 15 kW electric motor that enable regenerative braking every time the throttle pedal is released. All the electricity that is produced powers the electrical systems of the vehicle in order to save precious fuel.
This system also has the engine shut-off mode that can improve fuel efficiency by cutting fuel delivery in certain deceleration conditions. Aside from this new system, the LaCrosse will come with upgraded underbody aerodynamics and electronically controlled shutters in the lower grille that close at higher speeds in order to push more air over the car, increasing aerodynamic efficiency. In addition, the car will roll on low-resistance tires.
This eAssist system will also be implemented on the Buick Regal towards the end of this year.
Source: Buick via Carscoop
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