It sounds like the cost of the credits is not high enough to make a real dent. Another effective way of doing this is adding the cost of pollution into the pri

It sounds like the cost of the credits is not high enough to make a real dent. Another effective way of doing this is adding the cost of pollution into the price of the car as tax making ICE expensive and electric cheap. That is done here and the demand is very high. ICEs generally have > 100% tax.