After just a few days spent on Kickstarter, the team behind the GoSun Solar Grill has already achieved its funding goal of $140,000, and they still have more than a month’s worth of time to spare.

Which solar ovens are best? Campfires, charcoal grills, and gas-powered camping stoves can definitely make life easier for hungry campers, but they can’t do everything. Sometimes, the only source of ...