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The measure comes as part of a package of moves to tackle air pollution. We get analysis from motoring journalist Maria McCarthy. Also in the programme, Spain's prime minister Mariano Rajoy has been giving evidence in a corruption trial, and we hear what he's been saying. The head of the US central bank, Janet Yellen, recently told Congress that widespread opioid abuse could be behind a fall in the proportion of Americans either working, or looking for work. Our economic commentator Irwin Stelzer of the Hudson Institute offers his assessment. We have a report from Australia, where charities rescuing unwanted food to feed less well off people are receiving significant government funding. Plus we hear about 'influencers' on social media, who are able to make a living from creating sponsored posts. Matt Hodkinson is chief executive of the marketing firm Influence Agents.

(Picture: A traffic jam. Picture credit: Getty Images.)