New Mexico is suing Volkswagen , BMW , Audi and their US subsidiaries units over the German car maker 's excess diesel emissions , joining the states of Texas , West Virginia and Harris County , Texas . VW also faces investigations by 48 US state officials . Some of those officials have criticised VW for citing German law to withhold emissions and other information . WASHINGTON, Jan 20 (Reuters) - The US Justice Department and German prosecutors are also investigating the company .
New Mexico is suing Volkswagen , BMW , Audi and their US subsidiaries units over the German car maker 's excess diesel emissions , joining the states of Texas , West Virginia and Harris County , Texas . VW also faces investigations by 48 US state officials . Some of those officials have criticised VW for citing German law to withhold emissions and other information . The US Justice Department and German prosecutors are also investigating the company .