Home›Automobiles›Shell Unveils An Ultra Energy Efficient CarAutomobilesShell Unveils An Ultra Energy Efficient Car14 November, 2016Leave a comment199 Views A Concept car from Shell? Definitely interesting! Shell develops an ultra efficient concept car. The car has an NEDC rated efficiency of 38kmpl. The car has a 3-cylinder petrol engine ShareFacebookX / TwitterWhatsAppPinterestLinkedIn