Aside from washing full loads, you can go green with your laundry by using all natural liquid soap without dyes or fragrances. Instead of hot water, use warm water for washing and cold water for rinsing. Heating water costs more and uses more energy. Get the most efficient washers. According to EarthShare if every U.S. household used the most efficient washers, it could save up to the equivalent of 40 million barrels of oil annually. If you’re concerned about allergens, read this BBC article. Happy wash day!