Ms Howarth, founder of Octopus Electric Vehicles said revenues would be lost by transitioning to electric models, but over time outgoings would also fall.
Speaking to Express.co.uk, she said it was “too early” to tell what would happen to electric career taxation but warned against knee jerk reactions.
She said: “There’s other subsidies which go into the oil and gas sector.
“Actually, if we are driving electric cars which are driving on green energy, renewable, clean green energy, we wouldn’t need the oil and gas in the same way as we did before.
READ MORE: Car tax changes for electric cars ‘don’t make sense’