The plug-in hybrid Chrysler Pacifica does already qualify for the federal government incentive of $5,000. BC and Quebec offer additional provincial rebates. Most plug-in vehicles under $55,000 will qualify for an incentive of some kind.
There is no information on any change to these rebates in the works although the government does have plans to encourage more EV adoption. It is not clear yet what form that will take though.
Here is the list of cars that qualify for the federal iZEV incentive.