For decades, scientists and engineers have been interested in compressed air as a source of energy in many applications and as a non-polluting fuel in compressed air automobiles. Our fossil fuel consumption has resulted in several environmental issues, yet vehicles that run on compressed air are indeed considered a pipe dream. The compressed air engine (CAE) is gaining popularity around the world since it is sustainable and produces zero pollution. Motorcycle engines emit the largest proportion of all fuel-powered engines. More than 3 million motorcycles (bikes, and covered threewheeled motorbikes known as tuktuk) are now fueled by fossil fuels in Egypt. The current article provides a quick overview of the most recent breakthroughs in compressed-air vehicles, as well as an overview of the technology's numerous difficulties and solutions.Control of compressed air characteristics such as temperature, energy density, input power need, energy release, and emission control must be mastered throughout the creation of a safe, light, and cost-effective compressed air vehicle in the near future.

Keywords : compressed air vehicle, sustainable, fossil fuels, energy density, zero pollution, temperature, input power, energy release