sasiranga de silva won a un award for creating a simple kit which converts petrol tuk—tuk engines toology, what was the inspiration behind it? as you can see sri lanka is a beautiful country, but since recently we noticed that the emission levels are higher, so the respiratory diseases, levels of disease are going high there, so i thought, you know, as an engineer, if i do my best, to contribute to bring the emissions down in sri lanka. what do you think it is going to take to get your conversion get up and running, produced on a mass scale? because it is quite high, and a tuk—tuk is quite a low cost product, so the conversion cost has to be as low as possible for drivers to afford it. so i have been doing so many research so i can downside the battery so i can reduce the cost. sasiranga hopes he can bring the cost of his conversion kit down by a quarter, to the equivalent of about us$1700 or £1300. and here's another eye—catching innovation — an emission—free electric model. of course the litmus test will be whether electric tuk—tu ks are accepted by local drivers. this is where the