In what way does Michigan Mechanical Law promote energy sustainability?

The option suggesting that Michigan Mechanical Law promotes energy sustainability by incorporating energy efficiency standards is correct. This approach emphasizes reducing energy consumption during both the construction and operational phases of buildings and systems. By setting standards that require mechanical systems to operate more efficiently, the law actively encourages the design and installation of equipment that minimizes energy waste.

Energy efficiency is crucial for sustainability because it allows for the same level of comfort and functionality while using less energy, which in turn can reduce greenhouse gas emissions and reliance on nonrenewable energy sources. By promoting efficient designs and technologies, Michigan Mechanical Law supports the overarching goals of sustainability—preserving resources for future generations and reducing environmental impacts.

The other options do not align with the principles of energy sustainability as effectively. Limiting traditional energy sources, while potentially effective, does not directly encourage energy-efficient practices. Encouraging the use of fossil fuels contradicts sustainability efforts, and mandating renewable energy installations, while beneficial, is not the main focus of the mechanical standards, which instead emphasize efficiency in energy use.