Vulnerable to ignite: Something surprising can cause electric vehicles to catch on fire. Here's what experts want you to know. The event includes the release of the group's annual automotive diversity scorecard, which rates a dozen automakers on their diversity efforts in employment, advertising, marketing, procurement, dealers and philanthropy. Toyota edged GM for the top spot this year, but officials also noted solid progress for all this year because it marked the first time since the survey started in 2012 that it included no red marks, which indicate a lack of diversity initiatives and investments. On the list, Stellantis followed Ford in the No. 4 spot, but Stewart sought to emphasize that the automaker is working to ensure diversity is baked into company culture. Follow Eric D. Lawrence on Twitter: @_ericdlawrence.