Saving Fuel while Plowing (IMAGE) Fraunhofer-Gesellschaft Caption Left: Experimental DLC-coated tools after use. Top: Initial test results; the improved coatings after the same plowing distance are shown in the bottom of the picture. Right: DLC-coated plowshare for test purposes. Credit Felizitas Gemetz/Fraunhofer IWM; Martin Hörner/Fraunhofer IWM Usage Restrictions The picture may be used for editorial purposes only. It is protected by copyright. The use is free of charge if the reference is mentioned. License Licensed content 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.