A green vehicle, clean vehicle, eco-friendly vehicle or environmentally friendly vehicle is a road motor vehicle that produces less harmful impacts to the environment than comparable conventional internal combustion engine vehicles running on gasoline or diesel, or one that uses certain alternative fuels. Presently, in some countries the term is used for any vehicle complying or surpassing the more stringent European emission standards, or California's zero-emissions vehicle standards, or the low-carbon fuel standards enacted in several countries.

A motor vehicle, also known as a motorized vehicle, automotive vehicle or road vehicle, is a self-propelled land vehicle, commonly wheeled, that does not operate on rails and is used for the transportation of people or cargo.