Propane Bottle Recycler on cleanup duty in national parks.

The article focuses on the development of the Propane Bottle Recycler (PBR) of the Yellowstone National Park in Montana in 2005 for the safe preparations for the recycling of the 1-pound disposable propane cylinders. It notes that the first unit of PBR for Yellowstone was developed by Brad Fimrite of Mountain States Environmental Services in collaboration with Wayne Wilson of WWW Industries. The PBR puncture the bottles and flattens them into scrap metal.