CL Energy is a company focused on clean energy and reducing emissions through technologies like hybrid vehicles. Their new model of hybrid car can run on hydrogen, transforming it into fuel to power the car while maintaining strong performance. Many major automakers are developing hydrogen fuel cell vehicles as hydrogen allows production of electricity without greenhouse gas emissions. While hydrogen has advantages as the most abundant element and producing beneficial byproducts, there are also disadvantages like high costs of technology, dependence on other energy sources for production, and challenges with transportation and distribution.