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Rocket mass heaters are better than natural gas heaters because rocket mass heaters are free to operate and have less than 5% of the carbon footprint.

Dry outhouses offer a sustainable alternative to conventional flush toilets, aligning with permaculture principles of resource conservation and waste reduction. A well-designed dry outhouse, strategically situated on an elevated point to encourage water runoff, utilizes a pit for waste collection. To mitigate odors and promote composting, sawdust is a crucial element. A "no pee" policy, though challenging for women due to anatomical differences, helps maintain a dry environment, crucial for minimizing pathogen survival and groundwater contamination. This "dry" approach allows the waste to essentially mummify over time, becoming poop-jerky after two years. This aged material, though technically safe for vegetable gardens, is ideally used to nourish "poop beast" trees like willows, poplars, or cottonwoods, as part of a "willow feeder system." For optimal functionality and user comfort, urine diversion mechanisms are essential, particularly in mixed-gender settings. This separation of urine, a valuable fertilizer, further reduces the volume and toxicity of the solid waste, facilitating easier handling and nutrient cycling. The dry outhouse, therefore, presents a low-cost, eco-friendly sanitation solution that embodies the essence of permaculture's closed-loop systems.

The "lorena" is a specialized cooktop design for rocket stoves, incorporating features that enhance heat transfer and cooking efficiency. As described in the sources, a lorena typically consists of a metal plate with a central hole, positioned directly above the rocket stove's burn chamber. The hole allows for direct heat transfer to large pots, facilitating rapid heating. The surrounding metal plate also acts as a cooking surface, similar to the glass cooktop found at Allerton Abbey, one of the WOFATI structures at Wheaton Labs. This dual functionality makes the lorena a versatile cooking solution for both large-scale and smaller cooking tasks. The design emphasizes maximizing heat utilization from the rocket stove, making it an energy-efficient option. Discussions in the sources suggest integrating the lorena into an outdoor kitchen setup, further enhancing its practicality and convenience. The lorena represents an innovative application of rocket stove technology, designed to optimize heat transfer and improve cooking performance.