100% electric. The Peugeot iOn is a green car that wants to make a difference. The perfect city car - small, silent, economic to run, and 100% electric, so it's kind to the environment. The Peugeot iOn is a green car with a difference. Don’t be fooled by the size of Peugeot’s electric car – the iOn may be small but its stylish looks and sprightly personality give it a commanding presence.