A couple of years ago, shops were awash with appliances with energy ratings of A+, A++ and even A+++, and now there are barely any. If you’ve been shopping for a new refrigerator recently, you may be wondering where all the A-rated fridge freezers have gone. A couple of years ago, shops were awash with appliances with energy ratings of A+, A++ and even A+++, and now there are barely any. Live...