General Motors Co. is partnering with a manufacturer of mining and construction equipment to co-develop a hydrogen fuel cell power module for a mining truck, the company said Tuesday. GM, with its Hydrotec hydrogen fuel cell operation, and Komatsu, a global manufacturer of mining and construction equipment, will jointly design and validate the technology that will be used for Komatsu’s 930E electric drive mining truck, the companies said. GM and Komatsu expect to test the first prototype Hydrotec-powered mining vehicle in the mid-2020s at Komatsu’s Arizona proving grounds. The vehicle will be …