Why not tax them at $1000 per year, with a full refund if you buy a full electric vehicle in the next 5 years, with a 5 year rolling max. In year 6 you lose the

Why not tax them at $1000 per year, with a full refund if you buy a full electric vehicle in the next 5 years, with a 5 year rolling max. In year 6 you lose the year one tax so what the state has maxxes at $5000 and wastes away at $1000 if you sell a gas car and buy none, so in 5 years the state has it all. A sort of forced saving for the first 5 and then the stick starts....