Climate campaigners concerned over Jane Toogood’s role in a company that sells technology to produce hydrogen from methane.

The Vermont senator nevertheless supported final passage of the Inflation Reduction Act, calling it "a step forward" on climate and drug prices.

Campaigners say action on climate change is in jeopardy if MPs such as climate science denier John Redwood are granted key posts.

British Airways owner IAG led the list of buyers last year, analysis shows.