First, buy premade solar panels-- it'll be pricier to assemble ones from scratch yourself -- then fit them into racks (you can build ... ranging from DIY solar-powered toys to more extensive ...
The 2,000-watt roof rack will be able to charge any EV around 40 miles per day or provide enough current to power a small home. Made with custom made 1/8-inch thick solar panels, 3D printed ...