Lansing — The road-funding plan Michigan lawmakers are mulling would hike registration fees for electric vehicles by about 63%, while largely leaving user fees and taxes for gas-powered vehicles unchanged.

The owners of plug-in hybrids would pay approximately 83% more in additional annual registration fees, assessed around the owner's birthday.

The House passed a bill in March that would increase the motor fuel tax on gasoline from 31 cents per gallon to 51 cents per gallon, an increase that would largely be balanced out for gas-powered vehicles by a separate elimination of the 6% sales tax on gasoline. The Senate has yet to vote on the bill .

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