Buying a new cookstove is not easy. Sellers offer heaps of different models that look alike and as a buyer, how do you know how it performs at home? Not to mention that the human brain does not like to make decisions.  The problem is apparent in Dongmakind market, along Road Number 10 to Thangon. All outlets offer a wide array of models. Ms. Khek sells climate change cookstoves in Laos / Photo by Lorie Cascaro But, if you believe the saleswoman, Ms Sai, 35, choosing has now become easy. She sells something that the others don’t have yet – the improved tao payat (fuel-saving cookstove). A prominent, blue sticker distinguishes the stoves and a tarpaulin poster states that these stoves are “quality-tested and more efficient” than traditional stoves. “They are better,” Ms Sai, who had sold two out of a first batch of five cookstoves a week after she began displaying them, tells Vientiane Times on a Friday afternoon. She promotes the stoves to customers, saying they are fuel-saving, lon...