General Motors closes out 2025 with plans to launch all-new full-size Chevrolet Silverado and GMC Sierra pickups later this year, while expanding availability of its Super Cruise hands-off highway assistant and maintaining its long-term pursuit of leadership in a fluctuating market for battery-electric vehicles.Despite the commitment to EVs, the coming year will also reveal more about GM's fully redesigned sixth-generation small-block V8, which is expected for the 2027 model year, aligning...