Prince Carl Philip test drives the Rotax Project E20 eKart in Sweden Prince Carl Philip test drives the Rotax Project E20 eKart in Sweden Bas Kaligis / Thursday, September 2, 2021 0 1439 Article rating: No rating The Rotax Project E20 eKart was demonstrated last weekend at the request of the organisation of Prince Carl Philip's Racing Trophy & combined Rotax MAX Challenge Sweden at GTR Motorpark in Eskilstuna, Sweden. Read more