Its director Sam Hall said: “This was an unnecessary speech that risks damaging the Conservative Party’s hard-won reputation on environmental issues.
“Today the PM has changed little of substance besides delaying the transition to electric cars.
“Sticking to the 2030 deadline would have saved UK motorists money, supported car firms that have invested in new EV factories, and unlocked crucial investment in charge-point infrastructure.
“New measures to speed up grid infrastructure and incentivise heat pump uptake are very welcome, however.
“But the framing of today’s announcements has created an unhelpful impression for voters that the party is backtracking on climate action.”