The US environment agency's transparency has helped authorities uncover corrupt practises like the emissions manipulation by Volkswagen. The agency's head spoke to DW about how things worked in his organization.
Lasting legacy of VW diesel scandal: EU gets serious about testing
VW one year after Dieselgate – DW – 09/16/2016
Greens: No new petrol or diesel cars from 2030 – DW – 09/29/2016
Volkswagen Values
European diesel car sales hit by VW scandal
New Discovery Broadens VW Emissions-Cheating Crisis - WSJ
VW, Setting Aside $18 Billion for Diesel Scandal Costs, Reports Record Loss - The New York Times
Volkswagen Scandal Reaches All the Way to the Top, Lawsuits Say - The New York Times
EU Parliament on emissions scandal – DW – 09/13/2016
VW USA Boss: 'We Have Totally Screwed up
Despite Volkswagen Scandal, Europe's Diesel Habit Could Be Hard to Kick - The New York Times
Berlin slammed over delays in class-action reform – DW – 10/17/2016
Volkswagen scandal tarnishes hard-won US reputation as green company, Volkswagen (VW)
VW CEO says priority is to 'regain trust' after emissions scandal
Volkswagen emissions scandal: Noxious omissions