There are only 11 electric vehicles that cost less than £30,000 on the market, at the moment.
And, while the number of “semi-affordable” EVs has grown in the last four or five years, more still needs to be done, according to the expert.
Mr Willson said: “The £20,000 or the £10,000 electric car may never happen.
“But what we could think about is a funding mechanism whereby people, who are on lower incomes, could get some form of subsidised interest-free loan.