For millions of Americans, regular emissions tests — sometimes called smog tests — are part of vehicle ownership. Thirty-one states and the District of Columbia have at least one county that requires ...

Indiana-based engine-maker Cummins Inc. on Friday morning agreed in principle to pay roughly $1.7 billion for allegedly installing emissions defeat devices on hundreds of thousands of engines over the ...

The Department of Justice has opened a criminal investigation into Ford's emissions testing practices, the company said Friday. The investigation centers on the testing procedures Ford used to certify ...

FRANKFURT, Germany — Former Volkswagen Group CEO Martin Winterkorn went on trial Tuesday on charges of fraud and market manipulation in connection with the corporate scandal over Volkswagen's use of ...

The Australian Competition and Consumer Commission has begun proceedings in the Federal Court of Australia against Volkswagen AG and its local subsidiary, Volkswagen Group Australia (VGA) alleging ...