GM's 2024 Chevrolet Equinox EV during a media launch event for the vehicle in Detroit, May 16, 2024.DETROIT — Increases in sales of electric vehicles and small crossovers helped General Motors report slightly better-than-expected sales during the third quarter.The Detroit automaker reported a 2.2% drop in third-quarter sales compared with a year earlier, slipping to 659,601 vehicles sold. Auto industry forecasters such as Cox Automotive and Edmunds had expected GM's sales to be down by more than 3% during t ...