Maria Ljunggren Söderman, Chalmers University of Technology (image) Chalmers University of Technology Share Print E-Mail Caption The proportion of gold and other critical and scarce metals in vehicles has increased substantially in Europe. 'I don't think people are aware that they have such a large part of the periodic table, at least 30 metals, in their cars,' says Maria Ljunggren Söderman. Credit Jan-Olof Yxell Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.