URGENT: Five carmakers face trial over explosive emissions cheat allegations.

Breaking News: Five Carmakers Face Trial Over Emissions Cheat Allegations Five leading carmakers - Mercedes, Ford, PeugeotCitroën, Renault, and Nissan - are set to go on trial at the High Court in London today over allegations of cheating on emissions tests. The trial is expected to last several weeks. The companies face accusations that they used software to reduce emissions of harmful gases under test conditions, misleading car owners about their vehicles' environmental impact. Lawyers say this case could be the largest class action in English and Welsh legal history, potentially involving 1.6 million car owners. The "dieselgate" scandal first emerged in September 2015 when Volkswagen was accused of installing "defeat devices" on its cars to cheat emissions tests. Similar allegations have since been made against other carmakers. The trial is a major development in the ongoing dieselgate saga, with nine other carmakers also facing similar claims depending on the outcome of this case. The five lead defendants all deny the accusations. This is a developing story and we will provide updates as more information becomes available. *This is a developing story. Updates will be provided as more information becomes available. Based on reporting from Bbc.*