German solar technology startup Sono Motors has officially thrown in the towel on its Sion solar passenger EV program following an inspiring but unsuccessful crowdfunding campaign called #SaveSion. The pivot puts the company’s entire focus on its Sono Solar tech business, which has previously found success with third party customers around the world. While Sono should be alright, its abandonment of solar EV development is yet another chapter in a sad tale about how hard it is to scale the technology without billions in funding. More…