Ames-based Smart Ag has developed a cloud-based platform for driverless tractors in a move designed to build on a trend toward automation in agriculture. The recently released application, AutoCart, automates grain cart tractors, allowing farmers to increase efficiency through better timing and use of existing equipment, the company reports. AutoCart is part of a system that allows a combine operator to coordinate the speeds and locations of grain carts, saving time and syncing with combine operations. The driverless cart helps save labor costs, too. The cost is similar to retrofitting a sprayer or planter with precision technology, company officials saidRead more