Diesel scrutiny shifts to London's building sites

By Barbara Lewis LONDON (Reuters) - Volkswagen's admission it cheated pollution law has exposed a wider problem of diesel emissions from thousands of generators belching fumes across building sites and countryside. In London, where the pollution is aggravated by a construction boom, a firm that helped expose the extent of the Volkswagen scandal has shifted its attention to diesel generators and is working with city authorities and researchers from King's College London (KCL) to analyse the probl