Volvo is recalling more than 40,000 EX30 electric crossovers.    The battery pack is at risk of overheating and catching fire.    Volvo is telling customers to limit charging the battery to 70 percent.    Volvo Cars is recalling more than 40,000 EX30 electric vehicles. The model’s battery pack could overheat, leading to a fire.    According to Reuters, which first reported the recall, the automaker is currently contacting affected owners, telling them they should limit charging the bat...