kikipeepers asked
(CNN) -- A Korean company has created a car engine that runs on air. The engine, which powers a pneumatic-hybrid electric vehicle (PHEV), works alongside an electric motor to create the power source. The system eliminates the need for fuel, making the PHEV pollution-free..
385 answers · 0 comments
Answer this yourself in the app
See how this splits by age, gender, and region in the app.
