"And then in 10-20 years they'll realise coal fired power stations are bad, and increase the price of electricity / VED on electric/hybrid cars."
Your time frame is probably optimistic. As soon as any tax incentive is effective enough to cut into the takings it will be removed. Emissions might be used as an excuse but the Treasury wants its pound of flesh (but will take cash as a preferred alternative).
Biting the hand that feeds IT
