Belt Alternator Starter (BAS)

A sophisticated system controls a motor/generator mated to the specially tuned 2.4-liter Ecotec four-cylinder engine to stop the conventional powerplant in idle or deceleration as well as offer added torque in certain situations.

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The Belt Alternator Starter or BAS-hybrid vehicle is a new trend in hybrid vehicles. Rather then have an expensive full hybrid system in a vehicle for maximum fuel economy a relatively cheap BAS can be added to a vehicle line to make modest consumption reductions for a much lower price.