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Aiming to lower fuel costs, the US has authorised use of the Strategic Petroleum Reserve. The action is being taken simultaneously with several other countries, and we assess the likelihood of success of the move at curbing inflation with Ken Rogoff, professor of economics at Harvard University. Also in the programme, the cosmetics company Lush has said it is deactivating some social media accounts until platforms "take action to provide a safer environment for users". We find out more from the firm's chief digital officer, Jack Constantine. Plus, we meet the so-called scambaiters who are taking revenge on telephone scammers. Rosie Okumura tells us why she tries to keep callers on the line whilst recording the calls and releasing them on social media. Monica Vaca is acting deputy director of the US Federal Trade Commission's bureau of consumer protection, and discusses what they are doing to try and tackle scam callers. And Mark Button, professor of security and fraud at the University of Portsmouth, reminds us that many scam callers are engaged in the activity under pressure from organised criminals.

Today's edition is presented by Mike Johnson, and produced by Vishala Sri-Pathma and Faarea Masud.

(Picture: A pipe at a US Strategic Petroleum Reserve facility. Picture credit: Getty Images.)