Among the values of Toyotaecology is at the top of the podium. In an approach that the brand itself has named "the 4Rs", Toyota works every day to reduce its carbon footprint and help protect the environment. Right from the design planning stage of a Toyota carThe emphasis is on ecology. The Eco-VAS methodology, the reduction in the use of heavy metals and the reduction in packaging are at the heart of this approach. Since 2003, Toyota uses bioplastics in the construction of its cars. The carmaker also reuses resources, particularly water, and recycles NiMH hybrid batteries.