TVS Motor Company, maker of two-wheelers and three-wheelers, has had its application rejected for a patent on a new two-stroke internal combustion engine.
It had claimed this would pollute less, with better fuel efficiency. However, the application has been rejected by the Indian Patent Office.
The original application, from TVS and the Indian Institute of Science, explained that conventional two-stroke engines pollute more and have a fuel economy problem. So manufacturers had phased these out, some years earlier. TVS said its invention was designed to address these. Various provisions in the new engine, including a filter element, facilititated lower pollutants in exhaust