Yes, there are differences between regular and recycled aluminum foil. Regular aluminum foil is made from raw materials, while recycled aluminum foil is produced using aluminum that has been collected, processed, and repurposed. Recycled aluminum foil is often considered more environmentally friendly due to its reduced carbon footprint and lower energy consumption in production. However, recycled aluminum may have a slightly different texture and appearance compared to regular aluminum foil, and it might not be as shiny. In terms of performance, both types of foil are generally effective for cooking and food preservation, but recycled foil may be less consistent in thickness and quality.