Mojave National Preserve, a unit of the National Park Service in Barstow CA, reduced its impact on the environment by installing solar power systems to replace diesel-powered electric generators and storage tanks at some of its remote facilities. Situated in the heart of the Mojave Desert with 320 days of sunshine per year, the preserve is an ideal location for solar power. With the switch to solar, Mojave National Preserve greatly reduced is dependence on petroleum and its carbon footprint, and also significantly decreased the impacts and hazards associated with fuel deliveries and storage, including emissions from trucks, spills during transport, spills while filling the tanks and leaks to the environment from fuel tanks. Mojave is working in partnership with Cal State Fullerton to double the size of its off-grid system, furthering its environmental contribution.