![After an explosion 4 years ago, Wisconsin's only oil refinery is on track to start up early next year | Wisconsin Public Radio After an explosion 4 years ago, Wisconsin's only oil refinery is on track to start up early next year | Wisconsin Public Radio](https://www.wpr.org/sites/default/files/styles/facebook/public/img_0931.jpg?itok=7tjdp4nN)
After an explosion 4 years ago, Wisconsin's only oil refinery is on track to start up early next year | Wisconsin Public Radio
![Close Up Industrial View at Oil Refinery Plant Form Industry Zone with Sunrise and Cloudy Sky Stock Photo - Image of plant, machine: 169626238 Close Up Industrial View at Oil Refinery Plant Form Industry Zone with Sunrise and Cloudy Sky Stock Photo - Image of plant, machine: 169626238](https://thumbs.dreamstime.com/z/oil-gas-industrial-refinery-zone-detail-equipment-pipeline-steel-valve-large-storage-tank-twilight-close-up-169626238.jpg)
Close Up Industrial View at Oil Refinery Plant Form Industry Zone with Sunrise and Cloudy Sky Stock Photo - Image of plant, machine: 169626238
![Small scale edible oil refinery plant, cooking oil refining machine for palm oil, peanut oil - YouTube Small scale edible oil refinery plant, cooking oil refining machine for palm oil, peanut oil - YouTube](https://i.ytimg.com/vi/7CXUDdr3xGo/maxresdefault.jpg)