Chief among them is the energy component, with a cube of the Olivebar rolls producing almost 2.5 times energy as a cube of wood. No mice or worms come with the rolls, which are aesthetically wrapped in paper that is recyclable and can be used to light the oven. The smoke released has no negative impact on neighbors or the environment, and the ash left in the stove can be used for fertilizing gardens and plants. Using the rolls will also fit into recent moves both here and abroad to avoid cutting down trees for energy use. "It's a totally green product, all natural, without any glues or chemicals," Karniel tells ISRAEL21c.