UK firms could gain access to US green funding as part of plans to boost UK and US ties announced by Rishi Sunak and Joe Biden.
The pair unveiled the Atlantic Declaration, to strengthen economic ties between the two countries, at a White House press conference.
The PM said the agreement, which falls short of a full trade deal would bring benefits “as quickly as possible”.
UK electric car firms may get access to US green tax credits and subsidies.
As the pair unveiled their partnership to bolster economic security, Mr Sunak said the UK-US relationship was an “indispensable alliance”.
The Atlantic Declaration, includes commitments on easing trade barriers, closer defence industry ties and a data protection deal and steps up co-operation on AI.
A UK-US free trade agreement was a key pledge in the Conservative Party’s 2019 general election manifesto.