BBC: UK transport emissions could be cut by a quarter by 2020 if the government shifted its policies, a report claims. The Campaign for Better Transport study urges ministers to focus on the biggest possible savings – by tackling lorries, vans, and long-distance commuters. It also proposes an extra tax on air passengers, with proceeds redistributed among the entire population. The government says it is moving freight off roads, and helping people make greener local travel …