Which of the following fuels can internal engines of lifts be powered by?

Internal combustion engines of lifts can indeed be powered by gas, diesel, or liquefied petroleum (LP) gas. These fuels are commonly utilized in various types of machinery where strong, portable power is necessary. Internal combustion engines generate energy through the combustion of these fuels, making them suitable for operating lifts and other heavy equipment that require significant lifting capacity and mobility.

While electricity is a prevalent power source for many modern elevators, it typically falls under the category of electric motors rather than internal combustion engines. Compressed air is also an energy source, but it primarily powers pneumatic systems rather than traditional internal combustion engines. Wind power, although an innovative energy source in some contexts, does not provide direct, consistent mechanical power for lifts in the same manner as gas, diesel, or LP fuels. Therefore, the option that accurately reflects the types of fuel used to power internal combustion engines in lifts is gas, diesel, or LP.