California energy standards are well-known for being the toughest (and more efficient) in the US. Wthout knowing it, the fridges, dishwasher, clothe washers that you buy in CA are super efficient ones compare to what you can get sometimes out of states. California is large enough to force the industry to improve their products if they want to enter our market.
Next year, these groups of products will also be regulated for energy: LED lamps and reflector lamps. pool pump motors and portable electric spas (hot tubs), computers, monitors and displays, network equipment (modems and routers), game consoles, and commercial clothes dryers. For water efficiency, the new standards will include faucets, toilets, urinals, air filters, and dimming ballasts. Future is coming to us, and it is all about efficiency. Read article here.
Graph: Annual water savings with new water efficient toilet based on old 3.5 GPF Toilet with 4 people / 5 flushes per day.