https://www.reuters.com/article/us-autos-selfdriving-canada/in-canada-driverless-cars-learn-to-see-in-the-snow-idUSKBN1GX2V9 >A Canadian town known for its annual theater festival is emerging as a hub of "snowtonomous" research, as automakers face demands to produce self-driving cars that can perform in snow and sleet.