As expected, the fallout from the VW emissions cheating scandal is starting to have ripple effects through the diesel industry. Last week, the U.S. Environmental Protection Agency (EPA) issued a letter to all automotive manufacturers warning them of prolonged and more rigorous testing protocols. “EPA may test or require testing on any vehicle at a designated location, using driving cycles and conditions that may reasonably be expected to be encountered in normal operation and use, for the purposes of investigating a potential defeat device,” the […]