Bring your family to the third annual Foster City Earth Day Fair in the plaza in front of City Hall and explore this year's theme "Clean Air, Clean Transportation. An Auto Show featuring alternative fuel vehicles, motorcycles and innovative electric and traditional bicycles lets you get a close-up look at Teslas, Nissan Leafs, Lightning Motorcycles and more! Kids can bring their bikes for a free tune-up, too. The Swap Meet will be back again this year as well – bring your small household items to swap with others for free! Then enjoy food, entertainment and fun for all ages.