An employee inspects under the hood of a Volkswagen e-Golf electric automobile in the light tunnel inside the Volkswagen AG (VW) factory in Dresden, Germany, on Monday, April 3, 2017. Diesel cars' popularity in Europe has been waning as Volkswagen's emissions-test manipulation scandal, which emerged in late 2015, compounded concerns that pollutants from the fuel are outweighing the benefits of its lower CO2 emissions. Photographer: Jasper Juinen/Bloomberg via Getty Images
