Hydrogen GHG intensity (IMAGE) International Council on Clean Transportation Caption GHG intensity range of eight hydrogen pathways using AR4 100-year GWP. Credit © International Council on Clean Transportation Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA 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.